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We can't even reliably get a couple astronauts out of orbit -- maybe next year? Why the hell do you think we could sustain life on Mars reliably?
Do you think this is something they plan to do today? Do you not have any concept of what science is and how it works?
Homeboy can't even run a livestream correctly with modern technology, why tf you think he'll make anything work on Mars?
"It'll happen in the future with future technology" is a cop out. I'll believe it when fusion and self driving cars become mainstream.
Sorry I didn't realize you thought Elon is the only person involved in space travel, that would explain why your opinion is so myopic j guess.
And yes this is science, that's what science is - studying and learning about how things work so that we know what the effect of our actions will be and what options we have available.