Oh, the minute that it appears the Boring Company is ready to start work, the eco-freaks will start with the legal injunctions to stop or delay the work.
That will be interesting: being underground (though not particularly deep), what could they possibly complain about? Practically zero surface environmental impact, and not deep enough to disrupt water supplies.
And suing Musk will be entertaining, being someone for whom nothing but basic physics stands in his way. I could see him expending his entire personal fortune (not to be confused with his ventures’) just to shut down opposition.
[Fair disclosure: I have a Boring Co. hat.]
A train would have to compete with a privately funded 600 MPH tunnel: https://www.boringcompany.com/faq/