201
X/Twitter Pause Encrypted DMs.
(programming.dev)
This is a most excellent place for technology news and articles.
Bold of you to assume they weren't already able to do it
I mean fair, but when Encrypted DM went live, Twitter was just starting to get into the AI field, and it was amidst a very uncertain state at that time, so I wouldn't be surprised if they haden't even thought of it.