Earlier quoted context omitted.
It depends on your liabilities and other aspects like age. 6,000 EUR per month is $7,300 USD per month is tough if you’re a new pharmacist in the US and need to repay $300k of student loans and make up for 4 to 6 years of lost income and catch up retirement savings, as an example.
I'll grant you the loan repayment, but the other things aren't expenses. "Lost income" is a psychological artefact, not anything concrete. It's a result of comparing against some hypothetical ideal financial situation. The same for "catching up" on retirement savings. The concrete part is that people with that level of income (large, but not so large as to make all problems disappear) know that to be comfortable in t…
I disagree that lost income is purely psychological. There are biological realities to deal with, especially in the US without the social safety net of other countries, that make lost income important. The first two that come to mind are the significant cost of raising children and retirement. Those are ticking clock issues to many people.
I agree they are two different worlds for low and middle income people. But we could play this game with even lower income people elsewhere in the world and reduce the issues of the developed countries poor.