Leander Perez, the Boss of Plaquemines Parish, was an ardent segregationist. That's what got him excommunicated, not his call to withhold donations from the Church,

You seem to have decided to start asking silly questions. There is this one, which a couple of minutes reading https://en.wikipedia.org/wiki/Leander_Perez would have answered, and there is the one where you asked if the nuns who buried all those babys' bodies in Ireland had broken any laws by doing so. Why are you asking that sort of question?