Here are a few other things that the experts said about SpaceX:
"There is no scenario in which the economics of reusable launch vehicles makes them preferable in cost to expendable launch vehicles."
– Dr. Stephen Book (Aerospace Cost Analyst)
"It's pretty darn hard to make that [reusability] actually save money."
– Tory Bruno (CEO United Launch Alliance)
"I support the encouragement of the newcomers... But I am not confident."
– Neil Armstrong (Apollo 11 Commander)
"I think the odds are against them."
– Burt Rutan (Founder & Chief Engineer Scaled Composites)
"This is not the time to experiment."
– Harrison Schmitt (Apollo 17 Astronaut)
"Get your boy Elon in line!"
– Bill Nelson (Senator)