> If we simply spread our cancerous way of life throughout the cosmos, I’m not sure I find that exciting. Unlike you, I do not have much confidence that we wil

> If we simply spread our cancerous way of life throughout the cosmos, I’m not sure I find that exciting. Unlike you, I do not have much confidence that we will change our ways. Humanity consumes and exploits all that it has met, and will likely continue to do so successfully, or die out. Unless we find more to exploit, the latter seems more likely. Ergo the need for spaceships eventually. Re: the last two points, they appeal to emotion more so than reason.