He'll settle with all the villains, you'll see!
The Samaritans are the villains of the piece.
The villains, who formed the majority of the population, got very little from it; in fact the only clauses which protect them do so because they are property - the property of their lords - and therefore valuable.
All that kind of pre-established harmony Wagner left behind him the moment he deserted the heroes and villains of romantic opera for the visionary and true tragedy of gods and demi-gods, giants and gnomes, with beauty, nobility and love in the wrong, and the forces of destruction and hate set free by blind justice.
Villains, over whose fate the reader rejoices, are put down as victims of vile treason, and those who dealt with them as he would have been glad to do are subjected to horrible executions without one word of sympathy.