It’s hardly the biggest problem in the world — or perhaps the height of privilege to consider it a problem at all — but one of the most annoying consumer experiences is booking an Uber Black and realizing you got assigned a Tesla Model Y (Uber finally stopped allowing new Model Y’s onto Black last year ). Buckle up for an uncomfortable back seat, basic plastic finishes, and, all-too-often, potential car sickness from a driver who hasn’t completely mastered the Tesla’s aggressive regenerative braking. Still, the fact that the Model Y ever made it to the Black level is a testament to the brand Elon Musk built.…