We're not talking that kind of price differential. A factor of 5x at most, with worse specific impulse than the Russian engines from the 90s. I get it, Elon is the second coming of Steve Jobs for many, and it is admirable that he's pursuing the fields that are hard, but he's not the second coming of Sergey Korolyov or Werner Von Braun, or even the countless others who made the space age possible.