Riot and every Rioter should be ashamed that this process is taking place. Search up on Henry Ford's practice of invading employees' private lives. It's disgusting. And what you guys are doing is no different. I can't believe there are employees defending this in public... anything to gain favor with your bosses, huh?
I appreciate the context - this wasn't really super clear from the article. It's completely nuts that anyone would behave this way on a Riot-named account.
Was this sort of behavior prevalent? I'm honestly surprised it's never come up. If I was in a game and witnessed a Riot employee going off on players with racial slurs and death threats - that most certainly would have been screenshot and reddit frontpage worthy.
Either way, specifics aside this sort of behavior is obviously completely unacceptable in a place of employ (of which a company sponsored account is an extension).