The problem with Rawls is simple: Behind the veil of ignorance, "maximizing the preferences of the worst off" has many appealing properties.
However, in the real world, where both one's own actions and events out of one's control exert influence in one's outcomes, it creates a huge incentive problem as it slowly turns into the "dictatorship of the worst off."
However, in the real world, where both one's own actions and events out of one's control exert influence in one's outcomes, it creates a huge incentive problem as it slowly turns into the "dictatorship of the worst off."