Well, they do facilitate gaming by getting one or two developrrs to port games that already exist on their hardware that already exists. But they’re doing nothing to develop new games or new hardware specifically for gaming.
So Apple “do” do gaming, in that if you already have a Mac for other purposes, you can game on it, if you want to play a handful of games that were originally developed for other platforms.
So, if you play one big game a year, you can. If you want a bit of nostalgia and play resident evil 2, you can. Tomb Raider. It’s nice you can do this, if you Ned to scratch a gaming itch a handful of times a year.
But it’s not a gaming machine. If you priority is gaming, buying a Mac, or even anions device, is a bad decision.
When Apple talks about gaming and gamers, they don’t mean “gamer” on terms of what, say, LTT mean by “gamer”. Apple’s gamers are casual games on iPhones. The marketing term “game” and “gamer” is deliberately fuzzy.
If you have a Mac and are serious about gaming, buy a console and use your Mac for all the non-gaming computing you do.