Which is why once electric cars passed a certain point they become effectively infinite mileage as far as people are concerned (as they never have to think about charging as it's always charged overnight).
Similar for how for most people there are only two speeds of computers - I have to wait for it vs I don't have to wait for it.
Quoted out of context like that, that's probably the best compliment on living life right that I've had in a long time! :->
But basically for many of my non-science-major friends, it's money per tank or at best kilometers per refueling. Re another (for some reason dead?) comment, there may indeed be a correlation between cash flow and tendency to use "money per tank", haven't thought about it that extensively. And then whether education is a confounding or causal variable to either of those axis, it gets complex.
Location wise: Toronto Canada, Winnipeg Canada, and Fairmont Minnesota is where I've observed it, FWIW.
Where the hell do you live
Rather, if you ask them casually in an informal setting "Does your car get good milleage", they'll say things like "Yeah, it only costs me $50 to fill it up!" or my personal favourite, "Yeah, I only have to fill it once per week" --> the amount of unspoken variables in that one just boggles the mind, but goes to another commenter's point of "practical perspective". "How often I need to fill it up" is probably a sane, pragmatical way to think of milleage. It may in fact cut to the point faster than saying "it does 11L / 100km", because while it answers some questions in abstract, it doesn't actually answer the practical considerations of how often I need to refuel / how far can I get on a tank.
As mentioned in my another reply, for me at least, it hasn't been a factor of where I live but variety of company I keep -- on average I'd say my Comsci/Sci-major friends don't do it.
But I'm currently in Canada, where we do indeed as per stereotype, measure distance in units of time ("How far is your work?" "About 20 minutes" ComSciMajor response: "GAAACK!")
1. Significantly different tank sizes - 53L to 70L on regular cars.
2. Different prices of gas (suburbs vs downtown, 87 vs 91 octane, etc)
3. Different habits - some refuel at 1/3 left, 1/4 left, 50km left, yellow light on, needle at the end of the gauge, etc
It drives me absolutely bonkers banana berserk, but... nothing I've been able to do so far :-/