I think you're sort of missing my point.

After decades of ignored negative externalities from unchecked suburban growth and car-culture are coming to an end. As populations decline and temperatures increase places like Dallas and the wealthy suburbs around it that you mention will have less and less relevance.

There isn't going to be a future where the citizens of suburban Dallas are enjoying Starbucks coffee in single-serving cups delivered to them in Waymo vehicles. It isn't viable to just paper over unsustainable nature of these places with self driving cars and ignore urban environments and mass public transit as the comment that started this thread suggested.

The only places that are going to survive what is coming are ones that are dense, well managed, and sustainable.

The climate part is certainly an issue for dfw, but the superiority of dense urban areas from a financial or ecological standpoint isn't backed by data. Buses were better for fuel efficiency, but now the bus and robotaxi are both ev, the robotaxi has a smaller impact ecologically due to microplastics scaling with axle weight ^4 and financially because road wear scales with axle weight ^3. If buses and trash trucks didn't drive on streets they would last virtually forever the way they are built now. While the glorious excesses of the last 75yrs are definitely going away, the suburbs may very well not. Urban cores might instead rot in infrastructure until only the highways between them with low density adjacent settlements remain.

What is the timeline you expect for this?

What about the problems negative externalities from unchecked crowding and bus culture? Like overcrowding, sky high prices for housing, very high prices for everything, broken infrastructure that is to expensive to fix and over capacity?

The finances of these metros rarely incorporate road costs; their accounting does not require them to incorporate the future liability for infrastructure maintenance and so everything looks good until they need to redo the roads.

What leads you to say that? Capex is typically budgeted.

If it's anything like my municipality, all that stuff is balanced in the budget by issuing bonds. My accounting knowledge is weak, but as I understand it, even though a city's credit rating and the prospective interest on its bonds are a feedback mechanism to help moderate the spending, it's still tempting for a city to overbuild without a plan to fund the bonds plus the incurred cost ongoing maintenance without ending up with too much debt.

The other thing people often get wrong is these things are funded by 20 year bonds, but they last for much longer. If you make the incorrect assumption that something must be replaced when the bond is paid off the suburb cannot support itself. However pipes last a lot more than 20 years in most cases. Even if the road surface only lasts 20 years (which is true in some extreme cases but not in general), the right of way is a one time expensive, and the ground work below the surface is generally one and done so the replacement costs are much less than the first time new road costs.

>I'm not really sure where people get this idea that suburbs are drowning in liabilities

Because from the 70s onward the former industrial northeast and miswest was actively de-urbanized and suburbanized with environmental and zoning law (don't blame this all on the locals, a lot of this rolls downhill from the states). This obviously coincided with de-industrialization. So basically all these former market and mill towns basically wound up underwater because they not only kicked out their economy but wound up in a situation where every stupid sidewalk repaving costs a bajillion bucks because pursuant to state law whatever it needs to be brought up to code which means some BS green space buffer, etc, etc.

Source: Live in one.

At the end of the day you're basically right it's a lie when it comes to some random Dallas suburb.

I wouldn't dispute Dallas numbers and I may be wrong. But in general this feels wrong at a first approach. Denser low rise apartment blocks with more commercial square are per inhabitant and fewer expensive infrastructure per inhabitant (road area, length of water/sewers/electricity/data lines, amount of common things like lamp posts, signs, security (police/fire/medical etc.)) just logically should be better financially performing than single family home suburbs. In any part of the world at any age or local variation. And in fact in most countries that's true so far.

When logic and the observation disagree that means your logic is missing something. Don't double down on flawed logic, figure out where the flaw is.

I don't know where your flaws in logic is coming from, but I have seen the numbers enough different places to know there is one someplace.

I know this isn't /. but a car analogy seems appropriate here. A city is like a modern cramped engine bay vs an old one where you can sit next to the motor to work on it. Anything you try to fix or upgrade in a dense city causes large problems.

Also, governance isn't like manufacturing, it doesn't get easier at scale, it gets so much harder.

Living in a perfectly planned super dense urban utopia where I can quickly walk wherever I want is extremely appealing to me. I would also like living in the wilds where once a week I drive to the general store and back as the full day's task. Suburban living is my least desired outcome. But everywhere there is room for it, it happens, even without a city to latch onto. There are good reasons for that.

You are missing one thing. Logic can be faulty AND observation can be faulty just as well (it's just more rare usually). Especially in the financial reporting. I've seen enough to immediately doubt and try to find intentional tricks in any level of financial reporting or analysis. The tools are endless - simple faking, reclassifying specific inflows and outflows to the different time frames or divisions or even separate companies (both fake and real), confusing or obscure terminology is certainly widely deployed, metrics can be fudged from industry standards to some better looking custom ones, companies can "forget" some of their liabilities and debts or even rename them into something unrecognizable.

I'm prepared to be wrong though. The question is, are you?..

When you step back you can see that suburbs have existed since 1880 (street car suburbs), and most of them are still around. The roads have been replaced several times since then in most - they don't last for 140 years so they must have been. Likely the first ones didn't even have water/sewage pipes, but they all have that now so somehow they added them. We know how long pipes in the ground last (both average and maximum), so we know they must have replaced at least some of them at some point since they were added. We know that telephone and electric would have been built sometimes between 1920 and 1950 - and we know those wires don't last forever so they got replaced. We know that cable TV was added likely between 1970 and 2000, some of those much be wearing out and been replaced. We know that fiber is being added now.

I don't know how they managed to do the above. However we know that they have done it, and the costs must have not been excessive.

When you show me facts I'll change my mind. Until then the above facts are compelling.

Sure. But you are assuming that somehow all those expenses come strictly from those same suburbs. Or if there is the is an external inflow (also known as debt) it is not larger than for the similar population low rise blocks. And I say that is far from fact, even without giving my own opinion.

Basically you are making correct observations but only for part of the picture. And if the discussion is about finances and economics, I would say that the part about where money comes from is pretty damn important, no? :)

Also, even from across the pond, I also saw historical photos of the old USA. Those suburbs from before WW2 were way closer to the Europe really. There were more small businesses everywhere, there were commerce blocks etc. And pre-WW2 infrastructure was much cheaper and less complex that contemporary one. So sure, old suburbs were probably much healthier economically.

As for the moderns suburbs (from 50s and up) you can view more knowledgeable people than me if you really wish to uncover facts and truth. I won't post spoilers, but you may guess them from the context easily.