We haven't been around long enough. Consider that a healthy 100 year lifespan now constitutes about a full 1% of recorded human history. Humanity is about at

We haven't been around long enough. Consider that a healthy 100 year lifespan now constitutes about a full 1% of recorded human history. Humanity is about at the stage of a toddler saying "I can do that" with nary a clue as to what that means.