Catholic contemporaries sought to defend Vetter's method of writing, among them was Duke Maximilian who defended him against the Count Palatine of Neuburg. He was highly regarded by the Dukes of Bavaria, William V and Maximilian.
Catholic supporters defended Vetter's writing style, including Duke Maximilian who countered the Count Palatine of Neuburg. He was highly esteemed by the Dukes of Bavaria, William V and Maximilian.