Politics, social intercourse, public relationships were the major factors in our mind's evolution. Look up "HarryPotterandtheMethodsofRationality".

If you intended to direct this comment at the author of the post, then I'm pretty sure he's already heard of Harry Potter and the Methods of Rationality. He wrote them :-)

That's golden. In fact I'd say that accidentally quoting your own work back to you as corroborating authority without even being aware that it is you has to beat imitation as a form of sincere flattery.