It's very difficult to change tipping expectations. Uber unsuccessfully tried to maintain no tipping through its app. After driver complaints[1] and pressure fr

It's very difficult to change tipping expectations. Uber unsuccessfully tried to maintain no tipping through its app. After driver complaints[1] and pressure from NYC[2] and others, Uber added tipping. [1] https://www.wired.com/2016/05/uber-wants-to-save-us-from-racism/ https://www.wired.com/2016/05/uber-wants-to-save-us-from-rac... [2] https://www.nytimes.com/2017/04/17/nyregion/new-york-city-uber-tipping-app.html https://www.nytimes.com/2017/04/17/nyregion/new-york-city-ub...