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.
“The brave and capable women who served in Iraq and Afghanistan have performed admirably.”
“I've been a vegetarian for so long, I forgot how much I missed meat. You know you don't realize how important meat is to you until you don't have it for long time.”