[azan_]

> Suggesting that we should leave such things to the sole discretion of the economy and taxes describes a strange unhuman-like society that we don't live in.

Well, the choice is: either we leave it to economy and taxes which work, or we'll rely on shaming which doesn't work. To put it another way - it depends if you want to actually fix the problem or just want to have a moral high ground and don't really care about solving the problem.