Honestly, anybody so deeply invested in content made, marketed for, and consumed primarily by children has some issue going on. When it gets to the community level—and children are still involved—it just makes it worse. You see it in pokemon, smash, mlp (back in the day), and even mtg (to a degree, though it has its own issues that popped up over the past few years).
Seriously, what well-adjusted adult involves themselves in fantasy activities where they interact with minors like this? Imagine walking into your office job and telling your colleague "oh yeah this weekend was fun, I competed against this 14 year old on a video game in front of a bunch of sweaty men, then we all went to an afterparty together." Shit's fucking weird for a reason.