They ban people asking genuine questions and dont answer emails - that is the proof

Btw. A scam always make it possible for a small number to people to make money.
For questions or messages without sense, anyone can get a ban. Agree with you. It's helps to get the most important information for 10000+ members. I like it. (I'm talking about Russian chat)
How can a site that selects ICO projects to be a scam?