The rule predates breakaway rims.
The problem is that the rule does prohibit grasping the basket while dunking the ball. It needs to be updated. Touching the basket is permitted as noted in 4-6-2 Exception.
That said, the game has evolved and players have been permitted to grasp the ring while dunking for several years now. Whoever is responsible for this madness taking place in Maine has earned the over-officious award for 2018.
It clearly surpasses not allowing an AC to request time-outs after the HC has been ejected.
