I might be knit-picking here, but the OP references that the reason why humans evolved...[was] to detect social cues as though an organism chooses to change or passes on traits for a specific purpose, which isn't actually the theory of evolution, it's Lamarkism. When you evolve, that just means that other organisms who didn't have the traits that you had died off in larger numbers due to a reduced ability to survive before passing on their genes to the next generation (ie, you are the fittest, so you survive, hence "survival-of-the-fittest").
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I might be knit-picking here, but the OP references that the reason why humans evolved...[was] to detect social cues as though an organism chooses to change or passes on traits for a specific purpose, which isn't actually the theory of evolution, it's Lamarkism. When you evolve, that just means that other organisms who didn't have the traits that you had died off in larger numbers due to a reduced ability to survive before passing on their genes to the next generation (ie, you are the fittest, so you survive, hence "survival-of-the-fittest").
Good stuff, otherwise. :)