As soon as I saw the post I was "Don't click on it..."
Yeah but it's like a strange hypnotic fascination and you just get drawn in, then like a moth to a flame you end up posting so get caught up in the thread forever, just like me
Back to the original question though and BM has surely been on here long enough and read enough posts on the same subject to know that the criteria is never disclosed and also sometimes changes as the owners try to get the balance right