Delirium-
This is an argument that feces is "correctly" considered offensive, while those who consider nudity offensive are incorrect.
Nonsense. It is an argument to explain why one taboo is more widespread than the other. I have no specific statistics, neither do you. Unless you can come up with them, we can only go with arguments. And the arguments I have shown clearly demonstrate why one taboo (feces) can be considered "nearly universally" widespread and the other cannot. You have utterly failed to refute this argument. We can conclude that the "nearly universal" standard is sufficient, since you used feces as a "slippery slope" argument (no pun intended).
Regards,
Erik