The hacker news crowd is also more than just Americans. Some of us live in welfare states and/or societies with strong trade unions, which we know we can rely on instead, if we ever come to a situation where we need it.

I think you will find that worldwide, family support is more common, not less.

In many cultures multigenerational households are the norm. You may never move out; you raise your kids in the same house your parents raised you.