Not if you don't chop the quote like a creationist. The next sentence rules out any sort of creative games like “we send it to the receiver which decrypts it and bounces a copy back”:

> This means that nobody, including Meta, can see what’s sent or said, unless you choose to report a message to us.

If they were playing games and got sued, I'd be quite surprised if they didn't get laughed out of court for claiming that “nobody” actually meant “the FBI”.