every crowd makes these OHHH noises no matter which team it's gonna help, when heretics were against lev the crowd did the same thing and it helped lev win the round. it's only an issue if it's like that 100T fan that was literally screaming out positions (and I'm pretty sure a single person screaming won't even be heard by the players)
literally EVERY SINGLE crowd, regardless of the country or of who they support will always make these noises at dire moments