This is a bizarre definition of monopoly that, if it were applied to any other industry, would turn common sense on its head. If Amazon runs its retail operatio

This is a bizarre definition of monopoly that, if it were applied to any other industry, would turn common sense on its head. If Amazon runs its retail operations at a small loss, is it now less of a monopoly than a boutique retailer with big margins but < 1% of the market share?