Anyone is welcome to restart it. I'm sure he'd give you the raw data files & source code if you asked. (There might already be a copy on github.)
I think it has value as a snapshot archive as well. The article on extreme programming would look quite different today.
The reworked version doesn't show the original indentation of discussion trees, making it harder to read. All bullet points have been flattened to one level, compared to the the original, which showed many levels.
It's honestly pretty upsetting that one vandal is enough to ruin one of the oldest and most significant institutions on the web for everybody.