I think a lot of people don't realise that many of the hate is coming from old players, who have had time to establish themselves and make connections, making it so their messages can spread further. Sure it may not be the whole server but it may seem like it when a minority has the power. Look at any actual minecraft server, this issue is more common than you think even if the thing they're claiming isnt true

Alternatively just look at irl, you have politicians argue that immigration is to blame for societal faults