Tesla’s ‘Full Self-Driving Supervised’ expansion is back firing as it exposes its shortcomings. Customers left without promised features are growing discontent and demanding to be compensated. It’s turning into a multi-billion-dollar iceberg of Tesla’s own making. In 2016, Tesla proudly announced that all its vehicles produced onward are equipped with “all the hardware for full self-driving,” which would be delivered through future software updates. The automaker turned out to be significantly w...