For a government perhaps, but not your average person. This is similar to claiming that my ISP provided IP address is trivially tied to my full name because someone could subpoena it.
This is false. You are thinking via a carrier; but it turns out that your phone number is mapped to your name and address in hundreds of private databases which are sold to data brokers.
Getting name and email and address from phone number is widely available and cheap for anyone.
For a government perhaps, but not your average person. This is similar to claiming that my ISP provided IP address is trivially tied to my full name because someone could subpoena it.