So many people will look down at anti-immigration conservatives and then say that an ethnic group or community basically "owns" a neighborhood through some amorphous moral right. At the end of the day, free movement of people had pros and cons, but it's the same basic principle at stake.

And escaping capitalism doesn't solve the scarcity issue either. It just leads the distribution of resources to be according to some other criterion. Sometimes something fairer... sometimes not. Ultimately the solution is abundance.