Hating on cars? That's the only sensible thing to do.
Hating on people who employ maids? I find it intuitively appalling to do that, that is my opinion and I will voice it every time I get the opportunity.
I might not have been to Bolivia, but how does that exclude me from a discussion about the poor in that country? Do you realize what a limited perception of knowledge you're presenting? You can't discuss anything you don't have actual interaction with?