Elon Musk drew wrath this week for a nine-minute, 35-mile flight from San Jose to San Francisco — but it didn’t have to be this way. The trip was tracked and exposed by @ElonJet, a Twitter account run by Jack Sweeney, a 20-year-old IT major at the University of Central Florida in Orlando. “If he let me fly with him on his jet, record it and talk about it — and maybe not even pay me the $50,000 [previously asked for] — I would take it down,” Sweeney said of Musk. “That is still up for discussion.” Sweeney’s high-profile hobby...