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.
“At noon, on the Fourth of July, 1826, while the Liberty Bell was again sounding its old message to the people of Philadelphia, the soul of Thomas Jefferson passed on; and a few hours later John Adams entered into rest, with the name of his old friend upon his lips.”
“A universe with a God would look quite different from a universe without one. A physics, a biology where there is a God is bound to look different. So the most basic claims of religion are scientific. Religion is a scientific theory.”