Is Humanity Selfish?

There are anywhere from like three to eight moral theories that depend on how you look at it. And they all approach things from a different way. One theory is all about intention, if your intent is good then regardless of the result there's more good than bad. There's utilitarianism, which is trying to try and guide people left strapped on the train with no room for error. Any decision morally right or wrong depends on what Moral Theory you'r applying to any given situation. But i imagine if everyone's thoughts were broadcast loudly, out in the open, we would not be able to sustain ourselves as a society. I don't even know if that's right or wrong. Am i