Re: "Ship! Come back!"
They can update the app, but egress traffic from each participant cannot be avoided without fundamentally changing the protocol.
And I'm not sure what you mean by ignore the keys. These are public keys of each participant for the new participant that allow them to decrypt the messages you send and allow you to decrypt messages that they are trying to send you. Ignore them, and they cannot understand you or vice versa.
Biting the hand that feeds IT
