The reason Japan slayed the US car industry to a large extent was on reliability. Tesla is on thin ice if it becomes known as a maker of unreliable stuff regardless of how cool and cutting edge it is.
I’ve seen a lot of complaints that their service operations are overwhelmed. I know when I go by the service building here in Indianapolis the parking lot is always overflowing with cars.
I knew a guy who has spent time at their plant. The cars have some diagnostics where they flash the lights if there is any electronic fault during production.
He said about 75% came off the line needing some sort of rework.