Sooner or later there aren't going to be any small businesses left to dupe. Weren't they sending salespeople to actual storefronts to get people to do a groupon

Sooner or later there aren't going to be any small businesses left to dupe. Weren't they sending salespeople to actual storefronts to get people to do a groupon? I imagine they are going to act more and more desperate as time goes along. This is not sustainable.