I.. don't think that? I just think that rationality is a silly word to ascribe to instinct, and I also don't believe that humans "instinctually act rationally". Because we don't - not all the time, and certainly not more often than not. As I have said, I would expect the difference to not be...
I think some instincts are rational, and I think some are not. Which means it's meaningless to call rationality "instinctual", for which instincts would you be referring to in a given situation?
Rationality is an arbitrary construct, though. Our instincts have sufficed to get us this far, but to say that it's "good instincts" and thus "rational" when you apply it to a situation that our instincts weren't designed to govern, outside what can be applied to sociobiology? I think that's an...
You insult us when we're trying to point out why we're "intolerable" to you? How predictable.
You'll notice that MOST of us don't pay much lip service to people who can't be bothered to properly string a sentence together.
I do not presume to admit to knowing anything about what you are talking about.
I do not believe humans, either in a group or as individuals, instinctually act "rationally" at all, if rationality can be either defined or called an "instinct".