Or Facebook could accept a lower rate of monetization and not extend the reach of their advertising. Sure this is a horrible outcome for the share price but could be a better outcome for running a long term sustainable company.
yep. But if you think about the incentives of a CEO (not mark, as its his baby, but just a CEO generally for a company facing this sort of decision), they have every incentive to do a "bad" thing that yields short to medium term benefit, at the cost of long term benefit (coz by then, they would've exited with their millions).