What constitutes an off-topic comment?

If you are referring to this remark of mine:

It was not a misogynistic remark, nor a claim of fact about sororities, nor a defamatory statement about sororities. It was a sarcastic but logical inference following this series of remarks:

Thus, my conclusion about sororities being a training ground for prostitution was ridiculing the argument that the rant represented some kind of furthering of a legitimate and admirable purpose of sororities.