Scroll down a bit to "Today's EV farm update".
One can argue--as many, many of Elon Musk's fans do--that Elon's propensity for promising things a bit . . . early is inherent in his being a wildly entrepreneurial, intensely creative, hugely inspirational leader. When you're working on the bleeding edge of vital technologies that will save the frickin' planet, a little exaggeration should be excused, they say.
OK. But providing enough service centers and customer support, which assuredly don't use bleeding edge technologies, shouldn't be difficult, should it?
See also "This Video Of A Terrifying High-Speed Tesla Wreck Is A Reminder That Autopilot's Problems Aren't Just Technical".