Most people are missing the important piece here: The terms of service is preventing you of doing whatever you want with a physical product you bought.
The F!. You bought the phone with full retail price. You didn't break any laws (as far as I understand it). Why does Google has a say on what you can do with "your" phone.
2018: You can't sell your phone (as a used phone).
2020: Google Drone picks up user phone from his apartment as he is banned from Google.