AI Drafting a Court Case

A lawyer apparently used AI to draft like a motion or a brief for court basically draft a document they submitted to court. Apparently it just made up cases and was also like, and the I don't know if the person asked or someone else did this as like a test. And then when pressed, the lawyer was like, wait, is that a real case? So there's a warning for you right there. But also lawyers don't understand how AI works and didn't think to check and make sure that the cases there AI cited were real before like, just embedded it to a real court. It's very convincing in the same way that that good friend of yours that's excellent at bull