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> You're welcome to try and claim that, but the sheer success of Signal and Moxie's approach is proof you're arguing in bad faith.

This makes no sense. If you wanted to prove that you would need to have a signal equivalent that does not use phone numbers. Where is that?

That is basically their point, that these alternatives are not successful because they chose not to use phone numbers.

Anyway here’s some alternatives:

Briar (no iOS client?)

Threema (not free as in free beer)

Wire

Matrix

XMPP

Telegram (can be used E2EE for 1:1 chats only and is off by default)