They are not usernames, so why do they call them that? They are more like disposable per-conversation identifiers.
"Usernames in Signal do not function like usernames on social media platforms. Signal usernames are not logins or handles that you’ll be known by on the app – they’re simply a quick way to connect without sharing a phone number."
Also, this is not finally the feature Signal users actually want - not having to sign up for Signal with a phone number and using a username instead.
This new "feature" does very little to make signal more secure or private.
For every Israeli Jewish civilian, there is an equivalent Palestine refugee living in a camp (~7mil). Israeli can only exist as a Jewish majority state as long as the original inhabitants remain displaced. So the Gazans are probably not going to be pro-Israeli any time soon.
"Usernames in Signal do not function like usernames on social media platforms. Signal usernames are not logins or handles that you’ll be known by on the app – they’re simply a quick way to connect without sharing a phone number."
Also, this is not finally the feature Signal users actually want - not having to sign up for Signal with a phone number and using a username instead.
This new "feature" does very little to make signal more secure or private.