A bad "solution" I've seen more than once in health user groups - ban disagreement (but allow contradictory threads.) "If you don't like what you see, just move

A bad "solution" I've seen more than once in health user groups - ban disagreement (but allow contradictory threads.) "If you don't like what you see, just move along to the next thread." This removes any chance of limiting fake news, and takes trolling to a whole new level since the first big lie wins, in any thread. So not that.