Established rocket makers can do this. They've never had the incentive before, at least in the US, because the more you cut costs in a cost plus contract the l

Established rocket makers can do this. They've never had the incentive before, at least in the US, because the more you cut costs in a cost plus contract the less money you make. But they certainly have the engineering chops, and they can spin off a subsidiary if the organizational pressures are too unwieldy. The problem is they're in the same position AOL was in when people started to get high speed internet. There's no way they can make a cheaper rocket without gutting their own high-margin government business, so they'll pretend as long as they can.