Direct Answer
Finny implies early church reading habits are a valuable check: before adopting a daring interpretive move (like inventing an interlocutor), we should ask whether early, competent readers heard the text that way.
Support from Transcript:
What makes an interpretive move “too convenient” to trust? How should Christians weigh early church reception without treating it as infallible, yet still using it to resist novelty-for-novelty’s-sake?