Thats true, but it is not that different from running windows in a VM or a separate machine like a laptop. If you only use windows for little stuff, it does not require that much maintenance. Especially W10 since it stopped getting feature drops.

Dualboot. Use windows only with the things that need windows (ie CADs) and linux for everything else.

If those are pictures in public places good luck. In a comment you said that those pictures are related to an erasmus experience (semester abroad), which probably means you signed some papers to do it (or your parents on your behalf) so you might have given your consent.

You wouldnt download a car…