Is SimpleX more secure than Signal?

Is SimpleX more secure than Signal?

SimpleX (whitepaper; audited by Trail of Bits) claims to be

The first messenger without user IDs

Other apps have user IDs: Signal, Matrix, Session, Briar, Jami, Cwtch, etc. SimpleX does not, not even random numbers. This radically improves your privacy.

They even compare it to other protocols like XMPP, Matrix, and other P2P protocols:

Is SimpleX really more secure than Signal?