SpaceX is trying to do many unprecedented things with the Starship. Any of those things could fail, because the approach they took turned out to be wrong in ret

SpaceX is trying to do many unprecedented things with the Starship. Any of those things could fail, because the approach they took turned out to be wrong in retrospect. The same is true for all good R&D projects. If there is no real risk of complete failure, you are not being ambitious enough.