People who don't believe in Ebola are removed from the gene pool.
Won't do any good. Producing more stupid people is relatively easy. You simply don't educate them.
until after somebody invents some form of levitating propulsion that requires no fuel
If only there was some kind of balloon like device to raise our buoyancy so we could float in the air.
"Don't build anything, ever, and don't eat any animals, ever" ?
I think the conclusion is pretty obvious. We're heading toward major ecological issues which will kill people. We need to manage our population growth.