True, we haven't launched THAT many rockets or kinds of rockets: but according to Musk, oligopolies and rent-seeking has been most of the problem keeping us stu

True, we haven't launched THAT many rockets or kinds of rockets: but according to Musk, oligopolies and rent-seeking has been most of the problem keeping us stuck; with everything from sourcing Aluminum to finding a better way than just milling a huge chunk of it, and on and on. No real competition, so little real research or change, and providing that was his motivation to throw his hat into the ring.