No, not fictionalized, but elaborated on, using non-biblical sources.
So O'Reilly is far from a "biblical minimalist", for example: he says that Jesus' miracles were reported by eye-witnesses.
In fact, no eye-witness source outside the bible or apocrypha records such miracles, but for O'Reilly, that is enough to be classified as "history".
Therefore, an appropriate "compare and contrast" here would be O'Reilly's popular "biblical maximalist" version, versus more scholarly "biblical minimalist" books by the likes of Jesus Seminar leader John Dominic Crossan.
Having undertaken, for the Glory of God, and advancements of the Christian faith and honor of our King and Country, a voyage to plant the first colony in the Northern parts of Virginia, do by these presents, solemnly and mutually, in the presence of God, and one another, covenant and combine ourselves together into a civil body politic; for our better ordering, and preservation and furtherance of the ends aforesaid; and by virtue hereof to enact, constitute, and frame, such just and equal laws, ordinances, acts, constitutions, and offices, from time to time, as shall be thought most meet and convenient for the general good of the colony; unto which we promise all due submission and obedience.In witness whereof we have hereunto subscribed our names at Cape Cod the 11th of November, in the year of the reign of our Sovereign Lord King James, of England, France, and Ireland, the eighteenth, and of Scotland the fifty-fourth, 1620.