Jumping right to the conclusion of the intervening logic, at what point does a manufacturer end trying to make its product absolutely perfect for absolutely all of its potential clients?
Ehm... If a feature has been standard in almost every car for about 50 years (yes, 1960 is that long ago), you would expect it in a Tesla as well... Especially if it's a feature that has nothing to do with the car having an ICE or being electric...