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.
“I like kids but I also like the option to close the door. Becoming a parent is a whole other life, and it doesn't stop.”
“I sent my flowers across the hall to Mrs Nixon but her husband remembered what a Democrat I am and sent them back.”