True. I am probably the most optimistic person I know but on this issue I think the fatal combination of ignorance and greed will doom the human experiment to failure I fear.
Our ability to kill/destroy/despoil on massive scales is far outpacing any type of humanitarian evolution that may or may not be happening.
Something needs to happen. Something big. Something to change the mindset and bring us together as Earthlings.
At the risk of sounding like one of my kooky in-laws.... the one thing I hope for, the one thing I really hope occurs in my lifetime that has the potential to save us is CONTACT.
Assuming, of course, that they don't just show up and harvest all of our water or iron or something.
Hyperspace bypass anyone?