Yeah I mean every instructor teaches . Every pro player whether its pool, golf or hell even bowling has one. If you watch a pro basketball player shoot free throws guarantee they have But what do all those people know. I’m sure your better then all those pro’s so You do you.
all jokes a side they are about the mental Side of the game. Doing things the same over and over again gives your mind confidence and helps you build solid and repeatable stroke. If you don’t need one good for you. We certainly are all different just like some of us don’t need to chalk after every shot and some of do ..but you’re in the minority. I’ve never seen a player who I’ve helped get a pre shot routine not benefit from it.