How many times did Markov ever “shoot” on the PP, how about Niedermeyer? That’s not the prime directive of a QB, their job is to be the general, managing distribution & flow - Markov setting up Souray, Streit, Subban, Weber, all the while planting a seed in the oppositions mind he could always sneak in backdoor to snipe in a pass so they had to keep him in check.
There’s no one on the present roster that possesses such skill set, hence, lack of PP QB is the biggest deterrent to achieving success on the PP at present