We really dont though. It is one thing to say we need to get out into space, but its another to pretend like we dont have sustainability problems here on earth that will require similarly huge financial input. Lets get our house in order here before we change the conversation once more to how great those billionaire space jockeys are.

If you're in a functional lifeboat with some pinprick holes, it's better to stay than to jump into the sea in a life jacket.