Can we agree that he was an authority on architecture who happened to be a Protestant???
He wasn’t really even that. He was an Anglo-Catholic architect who was brought up Episcopalian.
“Can we agree that he was an authority on architecture who happened to be a Protestant???”
No, he was a Protestant authority on art and architecture. And although I didn’t say it then, he clearly was an authority of Protestantism as well in regard to Protestant aesthetics or lack thereof.