By blanket helping everyone no matter the wealth, you end up helping mostly non-wealthy people. By helping specifically the poor/not wealthy, you end up with a

By blanket helping everyone no matter the wealth, you end up helping mostly non-wealthy people. By helping specifically the poor/not wealthy, you end up with a massive bureaucracy trying to decide who is wealthy enough, and add paperwork on top of poorer people to "request" such benefit. The cost benefit just isn't there.