I've just clicked on a thread and it's closed and not accepting new messages - the normal message you get when it's reached 1000 posts.
Except this one has 38 posts and there isn't anything to suggest the OP has flounced or asked for it to be closed or withdrawn.
Is this a thing now?
https://www.mumsnet.com/talk/legal_matters/5296886-can-our-son-live-in-the-house