The technology which allows peer 2 peer communication like twitter or memo is very different from a public forum. Public forum must allow free speech. Memo is individual conversation.
Yeah, mem o is not public. And you are not banned from r/btc.
You are a liar. /u/bitcornio is banned from r/btc for asking questions and people responding to them. Why respond to the spam if its spam? Ever answered spam mails?