Sounds like something a public wifi or a vpn can solve. Then you can wrap your phone in a tinfoil if you wish. I am being a bit unfair to author. Is this a pro

Sounds like something a public wifi or a vpn can solve. Then you can wrap your phone in a tinfoil if you wish. I am being a bit unfair to author. Is this a problem? yes. But then author is also stretching the definition of personal data