Tesla is reaping the rewards for making a good EV and backing it with the right infrastructure, its not rocket science.
If the motor industry had actually not made a half bothered attempt at EVs and actually tried to innovate they would have had similar success.
https://trends.google.com/trends/explore?date=all&q=elon%20m...
Which only started picking up after the Model S was released and started getting great reviews.
The idea that Musk is a "master salesman" or whatever is pretty dumb if you watch any of his interviews. He's definitely good at business, but his fame has been fueled by his achievements alone.
They have that too!