I would bet a large amount of money this is the correct answer.
It certainly is the approach facebook has taken with their marketplace place search engine, where the signal to noise is just barely high enough to keep the audience and there is absolutely no tooling exposed (verbose search etc) to increase the signal rate.
It certainly is the approach facebook has taken with their marketplace place search engine, where the signal to noise is just barely high enough to keep the audience and there is absolutely no tooling exposed (verbose search etc) to increase the signal rate.