Proton & Gaming: There is more than one Proton, your concern may be about the compatability layer (which works quite well in fact).
Purple Proton: If you’re a Linux user, there is no official Drive Sync client yet. Calendar sharing with non-proton accounts has some shortcomings (e.g., no recurring event updates). I’m a happy user otherwise.
Proton & Gaming: There is more than one Proton, your concern may be about the compatability layer (which works quite well in fact).
Purple Proton: If you’re a Linux user, there is no official Drive Sync client yet. Calendar sharing with non-proton accounts has some shortcomings (e.g., no recurring event updates). I’m a happy user otherwise.