It happened for a few hours when the story was flagged as hacked materials (just like they’d do for, say, someone’s non-consensual nudes). Twitter did that on their own and removed it shortly later after their internal discussion agreed that it wasn’t a violation (they took down the tweets reposting actual nudes, not the media coverage).
I was referring specifically to the URL block we were talking about. They used their existing system for hacked material until confirming that it was not appropriate: