The answer is quite simple, dealers in their current form are not required. The manufacturer would stock a shopfront where buyers can look at and possibly try out the car. Warranty and service work will be a fraction of what is required for ICE vehicles and largely handled by mobile units.
EV's are not a money making proposition for dealers, they are making a smart financial move in the short term by not selling them. Unfortunately they will have nothing to sell in a few years so their long term prospects are not very flash either