Because of my experience with programming and working with computation, I find it extremely unlikely that, out of all possible things, the specific way humans conceptualize persuasion and arguments would be a necessary requirement for any "mind" (which I take here as a 'sentient' algorithm in the largest sense) to function.
If the way we process these things called "arguments" is not a requirement for a mind, then there almost certainly exists at least one logically-possible mind design which does not have this way of processing things ... (read more)
If it's worth saying, but not worth its own post (even in Discussion), then it goes here.