I'd guess to make sure we know his reasoning - as it all makes sense in his own head, from his perspective the problem must just be that the People don't unders

I'd guess to make sure we know his reasoning - as it all makes sense in his own head, from his perspective the problem must just be that the People don't understand. The same effect as why a certain type of criminal will readily confess everything, thinking the police will empathize with them and accept their need to have done it.