Since “The first [priority] is making sure all cars are delivered to their customers before end of year.”* I would hope they could see their way to making a sale by allowing an inspection/test ride. Perhaps a series if frustrated shoppers on their doorstep could persuade them to reconsider.
*https://electrek.co/2019/12/04/tesla-two-most-critical-priorities-elon-musk/
*https://electrek.co/2019/12/04/tesla-two-most-critical-priorities-elon-musk/