Then it would be spent on pet shelters and the national trust instead of homeless shelters and the national health, because middle class people fundamentally don't like poor people, and are mildly frustrated taxes go to them at all, except as a means to clear the streets of nuisance beggars.
Photogenically poor people in exotic places we can feel superior to are different, of course. Those, the middle classes will tithe to, provided it goes to "schools and infrastructure" to civilize them up.