Of course, there are times where sharing your strategy may be unproductive. Like when signaling to competitors.

Seem to want something in which you are actually not at all interested

Robert Greene expands:

hide your intentions not by closing up (with the risk of appearing secretive and making people suspicious) but by talking endlessly about your desires and goals—just not your real ones. You will kill three birds with one stone: you appear friendly, open, and trusting; you conceal your intentions; and you send your rivals on time-consuming wild-goose chases.

via The Daily Laws