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 individuals supported Vetter's writing method, with Duke Maximilian defending him against the Count Palatine of Neuburg.  The Dukes of Bavaria, William V and Maximilian, held Vetter in high esteem.