Then they work backwards, trying to figure out some economic engine to make it happen. "Data centers" are (A) in-vogue for investment right now and (B) vaguely plausible, at least compared to having a space-casino.
He had the same blind spots that Ayn Rand did, but perhaps better informed of the fascist-adjacent US culture.
One of the good sci fi/social ideas he had was about what it meant to "grok" something. groklaw.net of happy memory was exactly what that verb was supposed to mean, dive into something until you understand it at a molecular level.
The fact that Musk et al have stolen terms like "grok" and even "cyberspace" as if they own them is something I loathe.