Tesla Motors should be working on mass transport/public transport
It is not sustainable to keep powering cheap personal vehicles. The solution is Tesla/EV + Boring Company. Change my mind?
Putting aside that trains already pretty much run on eletricity and some city buses are already hybrids...
I'm more surprised at your ignoring highly technically capable firms that have decades of experience and practical know how when it comes to mass transit "people movers".
Why did you specifically choose Tesla Motors? It's neither a small player startup nor is it an experienced big fish. Why Tesla?
Not sexy, no dopamine hit. Might not be enough of a return as these are markets that are not popular nor catering to pent up demand. There has been a form of self-driving and/or electrified mass or public transit for decades. They have many names: trains, trams, …
I don't get the fawning over Tesla -- their cars aren't that great, they aren't a great tech company ... they're valued highly and that's cool for their shareholders I guess but why would we want them in charge of any public infrastructure?