Earlier quoted context omitted.
My brother in law runs a restaurant back east, and he said that Groupon has been a great channel for driving business. Anecdata, I know. I think there's a business opportunity to help people running groupons capture the most value out of the leads (at the least, sign them up for an email newsletter).
It could also vary widely based on whether or not advertising was a business's greatest problem. If your biggest problem was that not enough people know about or had tried your restaurant, Groupons probably did a lot of good. If your biggest problem was that your food wasn't really that great or your prices were too high or you were in a terribly inconvenient location or your staff was unbearable, then getting more p…
It's like how online journalism is collectively wringing their hands about ad-blockers and crying, "But what about the CONTENT?" Well, most of what passes for "content" these days is regurgitated click-bait non-sense, recycled in a dozen places, and it should all just go away anyway. Cry me a river. In both of these cases, the "good" notion of capitalism is working just the way it's supposed to.