AirBnB is wrecking housing markets worldwide and Uber is a capital sink funded by petrodollars. What sort of legitimacy can they claim besides having grown enor

AirBnB is wrecking housing markets worldwide and Uber is a capital sink funded by petrodollars. What sort of legitimacy can they claim besides having grown enormously? The whole "greed is good" shtick from the 80s did a number on society...