Earlier quoted context omitted.
AirBnB is a rent extractor? That's a tendentious claim; the reason all the 'sharing economy' stuff works is that it's improving capital utilization and damaging cartels. I'd expect that real rent extractors are hotel owners in big cities with limited hotel zoning, who lobby for anti-AirBnB regulation to keep competition low and prices high. Or the politician/business alliances who build the local convention center by…
The reason all that "sharing economy" stuff works is that you can afford to have worse capital utilization if you ignore existing regulations. For example, there's a big difference between what people can afford to pay for hotel stays and what they can afford to pay to live somewhere which means that dedicated AirBNB apartments can stay empty a large chunk of the time if you ignore zoning regulations intended to bloc…
... which means that the capital associated with "people living somewhere" is poorly allocated, and would be more profitable utilized as a nice hotel space. Capital utilization isn't just about the raw duty cycle of someone using that capital. You don't markedly improve your organization's capital utilization by running SETI@Home on idle computers, because SETI@Home is a worthless waste of cycles of little or no benefit to you or society at large.
> Uber cars can operate at much lower hours and mileage
Uber's more of the damage-cartels case, admittedly.