USBAVenting in chat is not filing. A close game that felt wrong, a rule you think someone broke, a result you want corrected — none of that gets ruled on because you posted about it in the group chat.
Bring it through your league's dispute process instead: the specific game, the specific rule, and the clip. That is what the office rules on, and that is what protects you when someone brings a case against you. Chat is for the league's life; the office is for its rulings. Keep them separate and both stay pleasant.