Alright, let's make it zero then. Once a significant fraction of people stop tipping (10-15%), service staff will demand raises, which will reflect in the incre

Alright, let's make it zero then. Once a significant fraction of people stop tipping (10-15%), service staff will demand raises, which will reflect in the increased prices, causing more people to not tip, and the cycle will complete relatively quickly with only a small portion of people left tipping any significant amount. Some businesses may advertise as non-tipping as a form of marketing.