Lots of interesting and valid points here. WWJD comes to mind, but then if we are aliens, he would be to.
I direct you to www.theyfly.com for further info along that thread.
That said there is the Star Trekkian view that human kind is resilient, hopeful and has the capacity for good.
Let's hope we see more of that for all of our sakes if we are to survive on this planet.
And yes DaVinci and Tesla were amazing!
kbj