Yes.
Profess: 1) To affirm openly; declare or claim. 2) To make a pretense of; pretend.
If one makes a pretense of holding beliefs, feelings, or values that one does not hold, one is a hypocrite.
Whether anyone else understands the pretenses of the hypocrite or not does not change the definitions of the words.
It sounds like they don’t want to take responsibility for that user choice or be connected to anything that happens because of that choice.
It would still be an insecure choice, even with obvious UX distinctions. It would only be a matter of time before headlines muddy the waters with “intercepted Signal messages reveal…” or “Judge rules in favor of subpeona for unencrypted Signal messages…”