Christians, does it make you angry when you see people giving money away to charlatan televangelists?

I don't think that these people are morons. They're sincere of heart, or they wouldn't be handing over their money. I remember being at a tent revival one time and seeing elderly women emptying out their purses for a wandering "preacher" who was as good as laughing in their faces. But they loved God and thought they were doing the right thing. It's not the people who are giving the money I feel upset about, but rather, the swindlers with no ethics who are taking advantage of them. Robbery is wrong regardless of one's religious beliefs, but to do it in the name of Christ adds a whole new level of insult to injury.