Like I just said: Techbros have a malady called delusions of grandeur.
@briankrebs agree! An excellent book, in particular the detailed takedown of the Mars dream. As a complement to that I'd recommend Jill Lepore's podcast about the old science fiction influencing the ideas of Elon Musk and other tech types. pushkin.fm/podcasts/elon-musk-…

The story of Elon Musk, the way it's often told, makes him sound like a fictional character, a comic-book superhero – or, especially lately, a supervillain. But what's the real story, the true history, behind Musk’s sense of destiny?
Pushkin Industries