You probably could really help gaming by setting up an incubator fund to help indie developers.
Other ways a little bit of money could go a long way is by contributing to open source development of projects like Godot.
Finally, contribute to games preservation. This could take a couple of different forms, but just a fund to back something like the Free Software Foundation or Archive.org, maybe to set up an Abandonware project.
The guy is a mega-billionaire. He could accomplish some very positive gamer related things for a fraction of a fraction of a percent of his wealth.
I've got an idea for a game, I call it "Elmo's Steaming Pile of Bingo"
Make a bingo card with all the horrible dark patterns in gaming on it.
A monthly fee to play a game where you can buy the battle pass with cryptocurrency and you get NFTs in the lootboxes. Watch ads during matchmaking, purchasable respawns, buy your way out of chat bans. The winning team can talk as much trash as they want on the post-game lobby while the losers are sent to farm captchas until they can play again
Get five boxes in a row and you win! I mean, we all lose, but you win!
You'd think this, but so far he just seems to keep damaging more things and rolling everything up into a kind of metastasizing grift that gets it's tentacles into everything.
Not being a gamer doesn't mean you make a bad game, i just said: "let's see what happens it might be good".
I know that's hard to understand when you're desperate to criticize everything and everyone, but i get it it's the thing that got you Reddit upvotes and it's hard to stop.
He exploited a glitch in a specific dungeon in Diablo and that was just enough to get low information individuals (such as yourself) to parrot this misinformation. Congrats!