[rvz]

Might as well tell the folks at SpaceX to not land on the moon because it we already "knew" we could do it because it has been already been done before.

This sort of pessimism to dismiss this achievement is exactly how to lose and stay comfortable.

Ladies and gentlemen, dismiss the above take.

[dmitrygr]

And if someone proposed to run a company for flying to the moon after every rocket engine manufacturer actively and overtly dropped them and they had no rocketry experience themselves, I would be equally skeptical.