An alternative is to bind mount the appcompat folder from your linux steam into the steam library on your windows drive.

I really hope Bazzite manages to smooth out the last few snags and use cases for dual-boot so that I can recommend it to more non-techy people without needing to explain stuff like this or the unintuitive process of importing installed windows games into Lutris.

Something like memetastic? https://github.com/gsantner/memetastic

That’s still a single point of failure. What happens if someone finds an exploit that bypasses the login process entirely?

I read this as someone bypassing the GitHub login entirely. Good luck 2FAing your way out of that one! 😜