I mean that’s the problem, whichever country you want to do this in, the world has started automating its hole-digging. Not sure why you’re using nursing as an example, since that’s a very specialized field that needs a lot of student loans to get into. Traveling nurses are in high demand.
Like exasperation said, I feel I owe it to them to make considerate Christmas gifts, call often to socialize with them even if some days I’d rather be playing video games, etc.
And, some people probably don’t feel that obligation because their parents didn’t respect them or help them grow up well.