By Luc Olinga The billionaire electric-vehicle entrepreneur calls humans a pretty low standard. Elon Musk’s list of promises is long. His fans see his visionary side there. His detractors, on the other hand, do not hesitate to point out that he almost never holds them. His latest promise will undoubtedly rekindle enthusiasm for autonomous cars after years of dashed expectations. “I would be shocked if we do not achieve full-self-driving safer than a human this year. I would be shocked,” Musk said during Tesla’s fourth-quarter earnings call on Wednesday. He emphasized: “Being safer than a human…