> Most suggestions of this nature fail to explain how they will deal with the problem of people just seeing there’s no point in trying for more. On a personal level, I’ve heard people from Norway describe this problem for personal income tax—at some point (notably below a typical US senior software engineer’s earnings) the amount of work you need to put in for the marginal post-tax krone is so high it’s just demotivating, and you either coast or emigrate. Perhaps that’s not entirely undesirable, but I don’t know if people have contemplated the consequences of the existence of such a de facto ceiling seriously.

I think if you look at quality of life and happiness ratings in Norway it's pretty clear it's far from "entirely undesirable". It's good for people to do things for reasons other than money.