While the Cybertruck could go down as a massive mistake for Tesla, how much should investors worry, really?During its very first demo, a metal ball was brazenly tossed against the "armor glass" window of a Tesla (TSLA 2.58%) Cybertruck. As we all know now, the demo didn't go according to plan and the shatterproof glass gave way, all but breaking into pieces.The Cybertruck, intended to be a design that signified Tesla's boldness and futurism (which, in my opinion had already been accomplished when the compan ...