What he said may have been new concepts to many, but they’re all ideas that go back decades. The difference is that he’s funding them himself, and not waiting for the government to do it.
Maybe for spacecraft launched from earth, but I think it partly depends on sources of materials. There’s a lot of aluminum on the moon, and not much carbon.
First he sells several billion dollars worth of cars, then he lands a rocket on a ship, live on television, while throwing a private expandable hab into orbit.
From SpaceX’s standpoint, they now have another used rocket that they will almost certainly refly, for testing if not another operational mission.
I tweeted prior to flight that they were probably expecting a successful landing, given that (unlike last time) they weren’t downplaying chances of success. Nice to see Elon confirm that.