I wonder why you would guess that.
Signal is the one that only works with Google Play, thus a Google account, and a phone number. It is easy for the spooks to connect that and its IP address to every subsequent communication, after the fact.
Signal is the one that only works with Google Play, thus a Google account, and a phone number. It is easy for the spooks to connect that and its IP address to every subsequent communication, after the fact.
Edit: grandparent comment can't seem to keep Matrix vs Signal straight.