In British English, "guff" means either a fart, or "trivial, worthless talk". e.g. people might say "stop talking guff" or "if you filter out the guff, what did

In British English, "guff" means either a fart, or "trivial, worthless talk". e.g. people might say "stop talking guff" or "if you filter out the guff, what did that politician's speech really mean?". "filter out the guff" is itself a recognisably standard phrase. This also works in the context of the article; considering the selector as a filter to "filter out the guff" impulses.