When the drinks are unlimited, but the food is not, things might end up like a wedding in India. The festivities came to an end when they ran out of food and chaos ensued. People were intoxicated and angry and began throwing chairs and dishes in every which direction. And yes, there were injuries.
Next, it's always a good idea to use your words when there's a disagreement. These people did not use their words. A delivery driver in China was picking up food and got into a rather heated dispute with his boss that ended in credit card machines and chairs flying across the counter.