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.
[0] https://en.wikipedia.org/wiki/List_of_Starlink_and_Starshiel...
[1] https://en.wikipedia.org/wiki/List_of_Falcon_9_and_Falcon_He...