India, June 24 -- There is a very good reason that we are hearing and reading more about fan behaviour from last week's tournament than the heroic performance of Wyndham Clark in winning a second US Open title in three years and the sensational way he handled a golf course as demanding as Shinnecock Hills.

It's because this obnoxious way of treating players by spectators does not belong in golf.

It's because the first thing that you learn in golf, from your coaches or your dads, is that you have to maintain a certain etiquette in this sport. That includes having the utmost respect for fellow golfers when you are playing and also for all competitors when you are watching.

In fact, etiquette in golf is so important that it is part of the...