I think the bad actor here is as much Yelp as Grubhub in that they are using Grubhub's relationship and ability to charge a restaurant to monetise their own lis

I think the bad actor here is as much Yelp as Grubhub in that they are using Grubhub's relationship and ability to charge a restaurant to monetise their own listings. That's where this is unethical and possibly fraudulent when you look at there action as basically generating fake advertising clicks.