Reason: saying they don't like someone's videos because "he sounds gay". This isn't middle school. If you don't like someone's content there are ways to be more constructive rather than juvenile.
Sentence: one month ban, one year on repeat offense
Reason: wasting everyone's time with an obsolete argument and not smelling the cheese when it was presented in front of him until it was undeniable. The behaviour is either trolling or it is genuine lack of common sense; neither of these are desirable. You've expressed some level of recognition since categorical evidence was provided.
Sentence: none at this stage, but on next violation, one year ban.