That is true, albeit it's slowly changing. I recently drove the VW eGolf and it was a really nice experience. I also drove the Model 3 which has better range and is faster, but also more expensive. I prefer the interior quality of the Golf though. There are also alternatives from the Japanese companies.

I think the reason is rather the immense popularity and hype around Tesla that makes it the number one choice for most people that have money and want an EV.