I find it vaguely insulting that people thought that this was necessary? But I guess there must be a helluva lot of really, really bad DMs and players out there, generating all of these nightmare stories. So maybe it was necessary.
Then again my feelings overall on "the X Card and friends" are probably unpopular and definitely controversial. I don't want to get into it because I get WAY too anxious that people will misunderstand me and/or get mad at me whenever I say anything online about a sensitive topic. I used to be super opinionated--okay, I still AM super opinionated--but nowadays I try to keep my more controversial opinions to myself. It's just not worth the stress of worrying about (EVEN MORE) strangers on the internet not liking me. (If for some reason you're dying to know what I think, the super short version is that I think meta-mechanics like the X Card are infantilizing, but I think I've already talked to death the fact that I'm not really looking to engage on this topic. I think it just comes down to that I think some things are common sense that might not be and/or I really want to give gamers the benefit of the doubt by assuming they'll behave like responsible, mature adults without special rules or resources telling them how to.)
There are some games where I feel like just by playing that game you have opted in to a lot of intense, potentially objectionable, potentially upsetting content. Specifically, I'm thinking of Delta Green and to a lesser degree Call of Cthulhu in general (I just personally find Delta Green to be the most intelligent, mature, serious/grown-up iteration of CoC on the market right now). Like if I am running Delta Green for you, you have at least flipped through the DG rulebook, and you know that I'm going to try my best within reason to mess you up, emotionally, through the events of the game and the experiences of your character, and again, within reason, I'm not going to hold back or pull any punches in my efforts to scare. If a player at the table legitimately has PTSD (like, ironically, I do) and could be triggered by something in the game, I expect them to do their part as an adult human to tell me, and then I'll do my part as an adult human to not include that thing in my game.
(Personally, for instance, once owned a tiny, sweet little dog that was murdered inches in front of me. I had to rush poor little ruined, already-dead-but-we-didn't-know-it-body to the vet, and then clean his blood up off of the kitchen floor because my ex, very understandably, could not deal. He was her dog for many years before he was our dog. It was definitely in the top three most F'd up experiences I've had in my life.
Since then I have definitely been a bit triggered by cruelty or violence against animals in fiction/games/television/movies, but I can deal with it as long as it's not both totally unexpected AND super graphic. That particular combination will cause me to switch off things I might previously have enjoyed before I have a panic attack or worse. Like, I was able to sit through and enjoy the entire movie White God, even though that movie is pretty explicitly about cruelty to animals and nothing else. But when I tried to rewatch the Takashi Miike film Gozu, the thing that happens in the first five minutes of the film Gozu happened, and I immediately turned it off and have not looked back.
I've even made creative works since then in which dogs were murdered (once again this was within a Lovecraftian millieu) but when you're the creator of something it's much easier to maintain detachment because you are 100% in control of the self-upsetting stimuli you're working with.)
Fun terror, not actual terror, is the goal emotion I want to induce but the two are really, really closely linked for humans as a species. (If you think objectively about going on a roller coaster, it's actually pretty terrifying, not to mention risking your life (even if the odds of dying are infitessimally small) for no good reason, but roller coasters are super fun, at least I think so.)
All that said I really don't get the second post in this thread. Don't get me wrong, I agree, Nazis are bad. I just ran a nice little Kickstarter to fund a game to that very effect. The entire game is inseparable from the enormous dump it takes on the so-called alt right. But I don't see what this topic or MCG's product has to do with inclusivity per se?