> Instead, he goes for 20th century tech and infrastructure that's proven to work and tries to squeeze every efficiency drop out of it.
Ironically, this is Musk being more SoftBank than SoftBank.
Given our current and near term technology level, what industries have attainable new local maxima/minima, for want of only capital?
Nobody thought lithium ion batteries were a bad idea, they just weren't willing to pour crazy money into them.