Because a lot of companies make electric cars. In China, for example, there are a couple hundred electric car companies.
The Chinese will buy electric cars by the tens of millions and everything will change. It doesn’t matter if Tesla is still expensive.
https://www.cnbc.com/2019/04/08/fitch-says-chinese-electric-...
Tesla is a premium brand. There are other more affordable EV’s being sold in China.
We’re way past initial innovation.
The largest car market in the world is migrating to EV’s.