I would argue that MINIX being used by one company for one application that isn't visible to users and doesn't (as far as I know) contribute any code back to th

I would argue that MINIX being used by one company for one application that isn't visible to users and doesn't (as far as I know) contribute any code back to the wider MINIX community (which is a thing) means it really isn't in the same conversation with Linux and *BSD. YMMV.