That of course, would lead to every business having to raise it's prices - which means all of us will end up paying more for everything - and so, we end up with even MORE poor people, and of course businesses will also try to cut costs which means employing less people - so more unemployment.

It doesn't take a genius to figure out that government subsidy is the least inefficient way to keep things working here. The alternative is to dump South Africa into a permanent and inescapable full-scale economic depression.
But then, that is what all libertarian ideas inevitably lead to.