I fully agree. Ask the leading scientist a couple of hundred years ago what they thought of going to moon. They too could've demonstrated how preposterous the p

I fully agree. Ask the leading scientist a couple of hundred years ago what they thought of going to moon. They too could've demonstrated how preposterous the proposition is by imagining all kinds of sci-fi energy sources and it would still seem impossible to them. That's not the same as saying that space colonization is going to happen or that it's remotely within reach anytime soon.