I guess the idea is that both made a stupidly extreme version of their precommitments, which will repeatedly produce this kind of conflict in the future. But they will continue to believe that the precommitment was smart, only they had the bad luck to meet exceptionally horrible people.
The idea of the book is that these kinds of scenarios are repeated over and over again in lives of some people.
Alice and Bob have precommitted and were unlucky enough to be caught in the situation where following through on the precommitment was harmful.
I guess the idea is that both made a stupidly extreme version of their precommitments, which will repeatedly produce this kind of conflict in the future. But they will continue to believe that the precommitment was smart, only they had the bad luck to meet exceptionally horrible people.
The idea of the book is that these kinds of scenarios are repeated over and over again in lives of some people.