Thus the reaction that's obvious may be a clue to significance as well as a clue to triviality.
Furthermore, what is obvious to one person clearly may be novel to someone else. Thus, the reaction that's obvious may trigger the question, For whom might this not be obvious? The search for an answer to this question might help establish the boundary conditions (Dubin, 1976) inside which a conjecture will hold true but outside of which it won't.