So I'm reading through this all and I've got to say, he's coming off like quite the drama queen.
There was a lot more weight in the other topics I've seen over the Bro Culture and how there was plenty of sexism, but I'm seeing one instance of "ni**a" being dropped and him constantly blasting about how awful Riot is on Twitter and blaming his job insecurity over his blackness, at least on this first article he linked to.
https://medium.com/@Mattias.Lehman/riot-games-must-be-better-abb7619d6374
Also I keep seeing references to GamerGate and how it's a harassment campaign yet not once do I read an experience from him related to sexism or racism, he just blindly calls out gamers for supporting toxic masculinity just because some guys are very competitive assholes. It literally was a conversation about ethics in journalism that got blown up by the news and became a flame war from both sides, and given every major article at the time was "GAMERS ARE DEAD" or "GAMERS ARE SEXIST" as a whole its no surprise it turned into a flamewar. At no point though was this organized harassment campaign described ever a reality.
https://medium.com/@Mattias.Lehman/the-curious-misogyny-of-gamer-culture-bc47a6fdd23b
He also defends the clearly at least somewhat sexist policy of the trans/women only room, but its not in the respectful tone that most of his writing is in. He's literally retweeting that anyone who disagrees with it is an idiot and he's making the claim that DanielZKlein was harassed when he made that post telling people to fuck off, which is an outright lie because any harassment that did occur went immediately after Daniel made his inflammatory post. You can't flame people then call it harassment when you're flamed back.
https://twitter.com/MattiasLehman/status/1037081928879366144
https://twitter.com/MattiasLehman/status/1037220632973504512
So far screaming of SJW and there's multiple lies and I'm barely into the article. "Somewhere in there, I found time to call some people “manbabies” on reddit, which has apparently become the worst slur in the history of mankind in the last week." I don't know if you should find that appropriate when you're literally conflating comments like Aggressive or Intimidating to be racist.
"More painful were the friends at Riot who would corner me in the kitchen or some thoroughfare where everybody could see as they scolded me about how they were sympathetic to my viewpoint but that they just didn’t think my approach was appropriate. That I was too aggressive. That I needed to win people over with love, not criticism.
I’ve been described as “aggressive” and “intimidating” my whole life at my slight frame of 5’7”, and after a while, it’s hard not to view that as influenced by general perception of black men." - from the Riot games must be better article.
The dude was already on thin ice and then he goes and defends obviously aggressive comments, makes his own aggressive comments, and he wonders why the hell he gets called aggressive by people he considers friends. Like this screams of virtue signaling close to the level of that Guild Wars 2 writer who crashed her career by being an ass on social media. It's not quite as blatant, but its pretty much the same thing. The dude was sabotaging his image with the community and his coworkers by being abrasive, and even if he had a point on Riot's culture being racist he didn't demonstrate it at all and basically turned his ultimatum - which was not unreasonable given everything that went down - into an opportunity to go on about how he's oppressed and a martyr for diversity. Blech.
I spent like an hour going through this shit and I don't think I'm going to miss him. The only things he mentioned caring about when it came to the game in all of this stuff I read was that Rek'Sai was a butch female, Ekko was black, and Kindred had a non-binary identity. If that's all you can say about a game you're supposed to be writing for then you probably weren't adding much to it.