I don't think that many scientists seriously believe we are capable of establishing a colony on another planet with today's technology.
Call me a left wing loony socialist bug I think nationalising energy companies would be a good thing.Oil companies are so large that competition is virtually non-existent, it's not free market so the government owning majority shares would be be a good thing.
You can't blame a corporation for setting aside ethics if that means a higher profit margin. It's their mission to grow.