So this is not a secret anymore. The only reasonable solution for such a mistake is to revoke the exposed token. If it is not easy to do then it is negligence o

So this is not a secret anymore. The only reasonable solution for such a mistake is to revoke the exposed token. If it is not easy to do then it is negligence of WhatsApp UX team. Your "let's pretend you didn't receive this" deletion message may have failed to propagate to some or all of the recipients, including that one guy that likes to mess things up