How bad would your drink have to taste before you start pouring it out on the ground ? This woman did just that, in a video she filmed herself, after getting a drink she disliked at a local coffee chain. Some coffee chains are woefully inept at making a drink. I stopped going to a local Dunkin because my order is just cold brew with cream, with light ice. Those are just three ingredients, and yet I never get quite what I've asked for. Sometimes they give me extra ice (are they spiteful of my li…