With the new Nvidia cards and Cyberpunk release coming up fast in November I predict an enormous surge in new/upgraded PC owners. It's already next to impossible to buy the new hardware due to demand.
The addressable market of the media arts is a peanut next to the mountain of consumers they are now successfully targeting.
It's like asking why Apple is making the value proposition of the Mac Pro so bad. It's so they can cancel that bring the userbase down enough so they can cancel it all together without it creating too much fuzz.
That timeline doesn't look very far.
Has it ever really been about performance? How could you know your mac is slower when everyone else in the office has a mac, it's just bikeshedding and humans being human. They're nice computers but that's about it