I think some are really afraid of the fabled slippery slope, but yeah, the gaming world is home to a very dubious bread of pro CP, sex obsessed (as in “every media I consume must make me horny”) and misogynistic punks. Edit: not making any claims regarding the size of that population, most gamers are just regular people enjoying some escape, like me
To prove your point:
https://www.collectiveshout.org/gamers-threats-and-abuse
Oh I am not clicking on their website, they are a known anti lgbt group that claim to be associated with this very issue.