This post is overly optimistic and largely fails to address the 800 pound gorilla in the room: Tesla is selling cars at a loss. Once Tesla has to operate like a normal company and sell cars to make a profit, it is almost certain that pricing will rise dramatically.
It is possible that other branches of the business could subsidize car sales indefinitely, but highly unlikely.
It is possible that other branches of the business could subsidize car sales indefinitely, but highly unlikely.