Gwern Branwen People have been saying for a long time that Brandt would make a good test case; nothing new or shocking there.
The new aspect would be if *Wikipedia higher-ups* have concluded this, including possible advice from real live lawyers. And that an eventual "section 230" case is likely enough that Wikipedia might as well choose its plaintiff if possible.
Pure conjecture on my part. I could be wrong. Be amused by it if nothing else. We'll see in the fullness of time. My self-interest lies in reducing the pile of how-could-you-DO-this-Jimmy messages I have to plow through if I want to follow the situation.