If you need to use abusive windows software while retaining some privacy you really have 2 options:
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Have a separate PC with windows and your games installed. Isolate your activities so all your normal work and personal stuff is on linux, and then you switch input on your display, or use sunshine/moonlight to access windows when you want to.
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Use linux and do all your gaming etc. in a windows VM. This is what I do but it is not easy to set up, if you’re interested in this idea keep it in mind and come back to it later.
If you’re using VM hostile software though which it sounds like you are, #2 becomes even more complicated so I say bite the bullet and do #1.
Yeah, that’s really the most straightforward solution unfortunately.
In case you’re not already familiar look into sunshine/moonlight for quick access to the windows machine