It's not obvious to me.
If FB's claims turn out to be true, then it will look very bad for Signal — that they staged evidence to create a fake story about FB, and went on record to double-down on their dishonesty.
If FB's claims turn out to be true, then it will look very bad for Signal — that they staged evidence to create a fake story about FB, and went on record to double-down on their dishonesty.
It does mean that Facebook’s messaging is confusing enough to cause that though.