Clean water is still a scarce basic need in many parts of the world and even in some parts of the United States even beyond Flint, Michigan.

Many women do not have access to or can afford feminine hygiene products in the world or US.

If high speed internet can be considered a good, it's a scarce utility in many parts of the world.

I think there's still many basic needs or utilities that are scarce...

In addition, it's been shown many many times that people who have less monetary power are often more stressed, so one shouldn't assume that somehow emotional problems are not connected to economics.

But isn't this more of a distribution problem than a general scarcity problem?

Yes, globally. But many people individually live in a post-scarcity society. A young man with no job who has everything they need or even want (short of large-ticket items like expensive vacations, cars, house, etc.) provided by their parents arguably is living a post-scarcity lifestyle.

You say many but I'd argue for "statistically insignificant".

Healthcare and drug treatment are scarce services for many in the U.S.

Time.