> The fact of the matter is being rich provides opportunities and advantages being middle class doesn't and definitely not being poor, and there is little evidence to suggest that this corrects itself after a few generations. The fact is historically poor populations tend to stay that way, with those who escape being outliers.

There are a massive number of examples of this being untrue in America. Jewish Americans, Cubans, Irish, Asian Americans, Poles - all these groups started out poor, and regarded as something other than and lesser to "white" people, and now have at least the same incomes and often more.