When the whole DAX network is busy as hell at times. I remember when the wiki was first opened, it was popular and it was hectic for me to go over every single article, edit them, moderate changes, moderate users, kill myself with the markup language and etc. It's not as active as before but I see where the closure is coming from.

And for DAX holding out, 5.70 M33 (and its PSP1-3k equivalents) seem likely.