The Church of Malta is one of the oldest denominations of Christianity, next to the Coptic Church in Egypt.
Unless you think you know infinitely more than a Professor of Theology, frankly you're living in a river there. Why?
The Church of Malta refer to God as Allah: because that is simply the Arabic for 'God'.
You want to hear the bad news, OP? Said Prof. of Theology will proceed to tell you about the Abrahamic religions.
Islam has tax exemption in your country. That constitution of yours which guarantees the rights of Muslims in the US is the only thing allowing your religion to exist.
To try and get rid of the other, you'll be guaranteeing the extinction of yours.
Seems that King George III was right after all: eh, Craigy-boy...?!
Enjoy your MC Escher-esque multi-dimensional paradox: the monarch you opposed so much, his successor is still the head of a state religion.
Want a Theocracy, OP? You won't have a country.
Ergo, the Great Experiment will always be secular. You do know who mentioned a certain 'Separation of Church and State', do you not...?!
Otherwise, move to Saudi Arabia. Your only option is to admit you're wrong.