Everything he has done is to hype Tesla

Mars colony (completely pointless just terraform the dessert, but it doesn’t sound as good), hyperloop (very inefficient), earth to earth (someone did the math and it would take a similar amount of time as supersonic flight and exposed passengers to 3Gs for long periods of times which would kill civilians), boring company (just use a metro, much more efficient and cheaper)

Guy on YouTube called “Adam something” goes other these in more detail