How many of the following did you buy when they first came on the market?
flat screen TV
Every one of those items was initially much more expensive than the item it replaced.
To some people they were so desirable they were worth far more than the item they replaced, others waited.
My decision to buy a Model S is based on many factors, including the quality of the driving experience and the utility of the car.
One hard to quantify factor is that I feel strongly about where my dollars go. I do not like where dollars spent on gasoline go and what they do.
I've done the break even calculations and they are not as important to me as knowing that my dollars are buying technology from a domestic upstart company instead of gasoline.