This is what I would expect. If it is e2e, how would Meta decrypt your old messages and reencrypt them? I guess it could do it client side. But that would be kind of crazy

"Social" media have gone from being abusive to actively user-hostile.

They have none of the benefits of ancient, dinosaur email.

I knew the day would come that all these spying/advertising as a service companies would eventually betray all their users/products. What happens to chattel? They get slaughtered for money eventually no matter how good their lives seem while they are being plumped up.

Download/dump your account. Probably in there still.