Some churches have done evil things, others have immensely benefitted their community. Arguments that uniformly paint independent groups of people with a broad stroke of immorality are usually irrational because people aren't monoliths and don't behave a single way, especially churches which are operated in a decentralized and independent fashion (eg my small city has 50+ churches, all operated by separate groups). OP's comment is just as irrational as the people who say "all women are x, all minorities/white people are y, etc. The fact that some people may subscribe to these irrational beliefs is neither here nor there.