trea·son ˈtrēzən/Submit noun the crime of betraying one's country.
Thinking that it would be nice if all your countrymen shared your faith hardly fits the bill.
"Want a Catholic society? I give you Mexico and Italy."
Want a Protestant society? I give you Scandanavia, England and Scotland. There is no such thing in the west anymore as a society defined by the religion of its members.
England is not Protestant, they are dhimmi