“… political and religious authority became intertwined after Constantine and the Council of Nicaea, and later governments and church hierarchies built much of their legitimacy on those creeds. The Roman state used the church after Constantine as a unifying political force. The Nicene Creed became not only a statement of faith but also a test of loyalty within the empire.” -AI
It is still a matter of loyalty to the powerful inheritors of power of the Roman Empire today to show adherence to the Nicaean theology. Loyalty to the actual teachings of Christ gets pushed aside.
