Some phones can have GrapheneOS.

I made the switch to Pixel last year and I can tell you that the ads on it are far more precise than on iPhone.

FDroid and Open Source are good.

Yeah right. Same goes for Google and such. This is more a legal game. As long as you don’t catch then overgoing your rule, it’s “legal”. If you do and can prove it, you can pull them to court. But yeah, you know… will resolve to nothing probably.