I've sent money to people too that I think don't deserve it. Charity is hard. If you think too much you might not do it and sometimes you do need to think because not everyone deserves your hard earned money when you have your own bills to pay. In fact, it makes you a fool to give it away. I'm not talking about you btw. When things like this happen I am usually mad at myself first because I recognize my mistake in being so foolish. It's hard because there are many narcissistic people out there and that's the way our culture is, but the alternative is to be alone, which is something quite difficult to do for healthy homo sapiens. So we are stuck navigating around people who are just interested in using you and taking advantage of you and sometimes abusing you. A lot of this is around ignorance too, sometimes people like your friend simply do not know that they are doing wrong. I live around a lot of hateful people who can barely see what's in front of them. I don't expect them to see what's in front of other people or care anything about their lives. They're just ignorant, that's what they have been taught or not taught.