Hold on, piracy isn't necessarily not caring about copyright, but can be (and is, in a lot of cases), about fighting against the big corporations who take advantage of historically abusive copyright laws to dominate the market and prevent small authors and companies from surviving.
These AI companies, despite being copyright violators, are much closer to the big IP monopolists than the small authors, which are victims of both groups.
Yes, it's possible. This link has a list of desktop distros supporting kde mobile at the bottom of the page: https://plasma-mobile.org/get/