"There are no valid absolute moral positions" is itself an absolute moral position. We don't need to appeal to language or darwinian survival characteristics o

"There are no valid absolute moral positions" is itself an absolute moral position. We don't need to appeal to language or darwinian survival characteristics or whatever to refute it, a reasonably educated 12 year old can understand why it can't be true. Say what one will about "do what thou wilt shall be the whole of the law", at least it is internally consistent.