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.
“Sometimes there are two very opposite directions, and we go with the stronger one at the end. It's an impulse thing, like, 'Oh, I love both so much, but it's got to be one or the other because the two don't work together.'”