It seems necessary to strengthen my reply to

This does not refute. It also does not constitute an argument against the position you are contradicting in the way you seem to be thinking. The sequence of quote -> 'not at all' -> argument is non sequitur. Upon being prompted to take a second look this should be apparent to most readers.

Unless an individual had an ethical system which is "people should behave in accordance to any human universals and all other behaviors are ethically neutral" the fact that there are human universals doesn't have any particular impact on the claim. Given that a priori humans can't be going against human universals that particular special case is basically pointless.