I have consider it and done it before. I largely play StarCraft 2 and I simply want the maximum frame rate..I've played sc2 on Linux before but I kinda like the simplicity of just booting into windows, the feeling of having the max performance, and also some games I play do run anti cheat stuff that doesn't work on Linux.

Overall Linux gaming is pretty sweet tho I agree. Lutris is incredible.

Plus I like the work/play divide that booting into windows provides

I was shocked by your comment, but I also haven't kept up with PC gaming in recent years. Wow, incredible the progress Valve has made https://www.protondb.com/explore?sort=releaseDate

The issue are the surrounding things. Need a mod? Windows only. Need a software with macros? Windows. Need a save editor to avoid having to replay the game for a missed item? Windows.

It will catch up though. I'm a happy user of the steam deck

I would say the opposite. Surprisingly many games still require Windows, at least on Steam. I can sometimes find something interesting that runs on a Linux too, but all the indie games are usually Windows only.