I set up a pihole and installed revanced on my mom’s phone. She was surprised when I mentioned that YouTube has ads once haha.

I had cancer 5 years ago mate. Proprietary software is okay if you enjoy using it.

Being open source doesn’t mean it’ll get stolen lol. People can copy the code, but unless they add anything significant, everyone will keep using the most famous one. Plus there are several licenses which can add restrictions regarding ‘look, contribute, but don’t copy without permission’ Vulnerabilities would be discovered much quickly, and people will even contribute to it. He’ll still have the right to sell his app on the Play Store… or keep a premium type plan like he already has.

Linux, MPV, Proton, bash, Newpipe

Use Mull over Fennec though, hardens security with settings taken from arkenfox user.js.