Vander’s trauma made him unwilling to engage in the violence necessary for Zauns liberation, Silco’s trauma made him all too willing to engage in the violence unnecessary for Zauns liberation. Perfect dynamic.
(1) I think you’re missing why the divide between these characters exist. One is an oppressed man who has suffered with disease and disability his entire life. That creates a level of understanding between him and the audience in relation to his ideology and terrible actions.