From the article: “About a decade ago, Tesla rigged the dashboard readouts in its electric cars to provide “rosy” projections of how far owners can drive before needing to recharge, a source told Reuters. The automaker last year became so inundated with driving-range complaints that it created a special team to cancel owners’ service appointments.”
Except he never was a brilliant engineer, he was fired for engineering incompetence at one point, and he’s been lying about having an engineering degree.