Earlier quoted context omitted.
Earth always has been, and in all likelihood will forever be, screwed up. Climate change will never be solved until (to paraphrase a quip from memory) global inequity has been evened out to a level a Pakistani brickmaker would consider prosperity. I don't see countries with higher standards of living making those sacrifices for the greater good of our planet. I'd sleep much better betting our species on space expansi…
"Earth always has been, and in all likelihood will forever be, screwed up." Agreed. Not only screwed up, but screwed up in multiple ways. Throwing more money at the dozens of money sinks here does nothing to significantly help ensure our long-term survival. It might be the right thing to do, and over time continuing to do things like this may mean that mankind enters into some new wondrous universe free from pain and…
The other things at the time happened to be ensuring people weren't lynched for the color of their skin and ensuring Vietnam didn't fall to communism on the current administration's watch.