Commas are akin to thing(1|2|3) sometimes.

So it's offensive comments, offensive insults, offensive jokes, etc, as I read it, with ; breaking the association.

You're absolutely correct and it's me who has mis-read that part. The point of the oddly relaxed wording on sexual images and behaviour still stands though!

	▲	relaxing 12 hours ago \| parent [-]
		Offensive sexual images and behavior would fall under the first clause. Then you’re left with the “my tasteful nudes aren’t offensive” defense to which the response is “but they are off topic”. Presumably that means your biometric sensing vibrator hacking tutorial is still legal.