As a gamer, you should like up-to-date more, becuse that generally translates to better performance and better compatibility with games. Things like FUTEX2, IO_URING FUTEX support, HDR, Wayland stuff and so many things are a work-in-progress, that you’d want to be on the latest and greatest otherwise you’d be missing out.
Also, stability isn’t really an issue with Bazzite since it’s an immutable OS - your updates happen in the cloud for starters, so you won’t get any “bad” updates. But on the ocassion that you do, you can in fact easily rollback to the previous image from GRUB. You can also pin a known “good” image so that it’s always available.