> Its the fact that it gives very powerful people a vehicle to make lobsided bets on outcomes they control.
OK, and? The market is just paying them to make information about their decisions public.
I replied to 1 comment below yours - but I want to ask, how do you think this incentivizes people to make info about decisions public? That would lower the return on their bets.
Parent comment has a strong implication that the bets will impact their decisions, and invariably for the worse.
If "Politician XYZ takes the day off and sits on the couch" were paying 100-1 odds, it wouldn't be such a big drama (although, again, the existence of the bet would still impact their behaviour)