Musk said it himself on an earnings call: "I think I kind of shot myself by ever mentioning the hyper loop ... [I] obviously have to focus on core business and

Musk said it himself on an earnings call: "I think I kind of shot myself by ever mentioning the hyper loop ... [I] obviously have to focus on core business and SpaceX business and that's more than enough."[0] He had to build Tesla to prove it would work. He had to build SpaceX to prove it would work. I think Musk knew, the moment he first mentioned it, that it would be nothing but endless pedantic discussions about trivialities. [0] http://www.earningsimpact.com/Transcript/82715/TSLA/Q2-2013-Earnings-Call/Page/6 http://www.earningsimpact.com/Transcript/82715/TSLA/Q2-2013-...