

about 10 years ago, i noticed steam was available for linux. for the longest time i had pretty much written off gaming on linux (apart from like tuxcart, nethack, emulators…). i hadn’t considered actually being able to play “real” games.
that was before proton, so there really wasn’t a ton of stuff i could play, but i found some good stuff like hotline miami, papers please, super win the game.
obviously now we have proton and linux can be argued as a superior gaming platform in many cases.
you did nothing wrong. ubuntu is a perfectly fine distro for beginners. the reason i dont use ubuntu anymore is the age of the packages started to bother me. also its kinda annoying that releases hit eol at some point. i like arch for the rolling release (no eol) and the fresher packages.
if ubuntu worka for you, keep using it. there is no correct distro.