>Again, that's Us-centric thinking.Not it isn't, I'm European from a European centric thinking. What you're talking about applies if young people choose to continue living in the same village where they were born and their family still lives, but that hasn't been the case in a long time. Young people (in Europe) move to big metro areas for university or jobs, and often, especially in Greece, they move to other EU countries.
Your family from some Greek village, won't be able to come take care of you in Amsterdam, and most likely they won't have the money to support your NL living expenses from their Greek pensions to help you out, nor will you moving from Amsterdam back to some Greek village help you out too much since there's no jobs in your niche there, or maybe even no jobs at all so now you're broke in Greece instead of broke in Amsterdam but with less job options.
Your PoV scenario is just unrealistic in the world of today and only applies in the traditionalistic tribal village lifestyle that's more or less dead nowadays and few live it. Sure, some lucked out and were born in afluent big metro areas with universities and jobs meaning they always have their family close by, but that's more the exception rather than the rule. If you look at international cities like Munich or Berlin, most people living there weren't actually born there or have family there, they just moved there for study/work. How can family help them then?