They taught that every vestige of Catholicism had to be removed ​ — a stance that, ironically, brought them into conflict with the Protestant Church in England, which retained many Catholic customs and doctrines.
Mereka mengajarkan bahwa segala sisa Kekatolikan harus disingkirkan. Ironisnya, pendirian ini malah menimbulkan konflik dengan Gereja Protestan di Inggris yang mempertahankan banyak kebiasaan dan doktrin Katolik.