Both Calvinist and Catholic clergy mounted fierce opposition against the group, but Socinian ministers took advantage of the atmosphere of religious tolerance, promoted by such Polish kings as Sigismund II Augustus and Stephen Báthory, to teach their ideas.
Nii kalvinistide kui katoliku vaimulikud tegid sellele rühmitusele ägedat vastutööd, kuid sotsiniaani vaimulikud kasutasid oma õpetuste levitamiseks usuliselt sallivat õhkkonda, mida edendasid sellised Poola kuningad nagu Zygmunt II August ja Stefan Batory.