TM for Morality or Fair Competition?

An opinion piece in the NYT discussing trademark law and its applications/purpose. Is it to be used as a barometer on morality? Or is it built to support fair competition? Examples include the ongoing debate for the Washington Redskins name, among others. http://www.nytimes.com/roomfordebate/2016/05/04/redskins-and-other-troubling-trademarks/trademark-law-promotes-fair-competition-not-morality