It doesn’t break often, it doesn’t have problems updating it you don’t update regularly.
It might be a bad choice for a first-time Linux user due to the heavy setup process/time post-install, but as a gaming platform it works absolutely fine. Steam Deck runs on Arch ffs, come on now. 😄
Curious: when was the last time you used Arch? Seems like you haven’t used it of late, considering those misconceptions you spewed. Or maybe you are running experimental/unsupported stuff?
I’ve used it for over a decade now and had less problems with it than with Ubuntu that I ran for much less time before Arch.