This is why we need to legislate these issues and concerns. Saying vote with your wallet is already a losing position, the corporations already have a much larger wallet better to act collectively and enforce legislation.
That's exactly what you're supposed to do, except probably not single-handedly. You're supposed to find investors with cash to burn, engineers who are frustrated with their big corp wage-slave jobs, and frustrated consumers and bring them together.
There's about 4300 EV startups funded in the last 15 years [1], and 27 have gone public or are in the process of going public via SPAC in the last year [2]. Some of them (eg. Nikola) don't even have the "hire qualified engineers" and "build a working product" part down and still managed to raise billions.
[1] https://tracxn.com/d/emerging-startups/electric-vehicles-sta...
[2] https://www.bloomberg.com/news/newsletters/2021-07-06/hyperd...