you're attributing to individuals traits that belong to groups. americans are docile, but america is very violent and easily provoked. so why do you think genetically engineering people to be more docile would help?

what could be more docile than an ant? but an ant nest is a psycho. i think you might have the whole thing flipped on its head, at least. mass violence requires mass discipline, and you can only discipline a subject that's docile.