I also only game on my home PC and I’ve been using it for over a year now with Linux. I play CS 2, WOWS and Battletech mainly but check protondb.com for your games. My kids are also using Linux and they also were able to play everything they wanted.
There are a few AAA games with cheat protection that won’t work. Other than that: It’s awesome and you feel the freedom instantly!
We actually use method comments for user documentation as well. Only on specific business methods, but it’s nice to have a good comment for the dev and a tooltip for the user at the same time.