Inappropriate behavior and political talk in game

[DDmax]

This player called roahtgo entered the room and get a win, then he start to spam"HongKong Free" and changed the room setting, making it not playable. He also insults Chinese which is inappropriate, and aggressive towards a group of player as a whole. player can have political opinion but shouldn't say them out in video games, please consider some sort if permanent IP ban.
image of the behaviour is attached.