Yep, there’s variety, but most of it is in regard to the peripherals.
You think a monolith in teaching is good? See how much trouble Rome has brought us with that thinking.
Truth is objective and singular. It’s not subjective and relative.
The author is Eastern Orthodox and not a Roman Catholic.
Catholics and Orthodox agree about far more in spite of 1,000 years of separation than Lutherans and Baptists do.