Like Google shakes you down: pay us more than your competitor, otherwise we will rank him higher for selected search terms? Like all bakeries conspire to shake

Like Google shakes you down: pay us more than your competitor, otherwise we will rank him higher for selected search terms? Like all bakeries conspire to shake you down: pay us, or you don't get any bread? ABP is not a monopolist nor do they do anything illegal. Therefore, they are not 'shaking anyone down'.