Linux really is a good general purpose desktop OS.
Setting aside privacy or software freedom idealism, why would someone use it over Windows or macOS?
The advantage over OSX is commodity hardware: easy upgrades/downgrades/repairs, & lower cost. Swapping HD in my macbook involved ordering special screwdrivers & prybars, then at least 30min worth of disassembly/re-assembly. Last linux/PC upgrade consisted of slapping the old HD into the new PC and powering on--10 minutes max. Aside from that, OSX is nice.