I don't know concretely if it's due to superstition, but any time a new rule is implemented into the NBA or a new piece of equipment or a new technology, there is always a transition and adjustment period by players and coaches and anyone involved with the game.
“Whether you're on TV or on the stage, you have to work hard to stay fresh, real, and full of energy. You can't settle back. You always have to stay on your toes.”
“Being divorced is like being hit by a Mack truck. If you live through it, you start looking very carefully to the right and to the left.”