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.
“My serve and my forehand I pretty much always had, but my backhand was a made backhand. I worked on it for years.”
“Everybody has to be able to participate in a future that they want to live for. That's what technology can do.”