First off, this is a great pick and I am thrilled that the Rangers were able to get him at 23. As far as skating, we can sugarcoat or rationalize the issue all we want, but it has to be a concern. On one hand, it is obvious that today's NHL is a skating league. The speed of today's game, even compared to 15, 20 years ago is simply astounding. Players like Jack Hughes define the game today. For us to say, hoping for the best, optimistic outcome for GP is not being realistic.
OTOH, we know that speed is not everything: witness Julian Gauthier. I think that Laf is a good example of how sometimes we overate speed. How much of the game is played at full-tilt, end to end rushes? Not much. Lafreniere doesn't have quick acceleration and likely, no matter how much he works on it, ever will. It may ultimately keep him from becoming a franchise winger. But, once he is up to speed, his skating is fine (I'm not really talking about edges, cutting, etc.). He has more than enough "speed" to be a highly effective player from the blueline in, where most offense is created. Same with Kaako: he too will never be more than an average skater when it comes to sheer, straight ahead speed and quick acceleration. But, he is strong on his skates, a blossoming power forward. With both of these guys, it has been a struggle to figure out how their unique skills fit into today's speed dominated NHL. Even with "skating issues," I still hope for the best for them, hoping that they are given the chance to grow. How much they do so depends more on them, their work ethic, commitment, etc., than their lack of skating ability.
So, I am wary of Perrault, realistic about his skillset, concerned with his skating, but knowing that even in today's NHL where speed dominates, it is not everything and he has a chance, perhaps an outside chance, to be an impact player for us. Overall, a good, solid pick with potential (what you expect at #23) and I am more than happy with it.