In Scribes & Scholars: A Guide to the Transmission of Greek & Latin Literature L. D. Reynolds and N. G. Wilson write:
The dispute between Catholics and Protestants was still being carried on bitterly at the beginning of the next century (that is, the 1600s), and one indication of its power to deflect able minds from what might have been more profitable concerns is that Casaubon devoted two years or more to a refutation of the ecclesiastical history by Cardinal Baronius. (165)
Things that are more profitable than Catholic-Protestant polemic? Classical philology and literary criticism.
Looks like I’m in the right field.