Because
>>2773613 and also because our planet is in quarantine and there would be really bad consequences if we broke it in great numbers. We already have had the technology to get away and reach other planets for a long while. Any technology that you can imagine already exists but is being kept a secret. Some multibillion projects the US gov has with the military industrial complex have its funds deviated to other activities that are being kept secret.
No, those stealth planes don't cost even a fifth of the funds they're given to develop..
If or even if Trump knew about it it'd be easy for him to realize the quarantine can only be enforced through secrecy, by making people believe we can't leave the planet easily anyways.
>but Elon Musk Mars program...Expect it to be either sabotaged or staged.
>SpaceX sends its first manned spacecraft to orbit>Explodes>Government decides that a rocket should never be left in the "wrong hands" and from now on only NASA will be allowed to send people into space.>For "safety reasons" of course. 
