I like the pick because it's getting harder to build a team around low post scoring Cs who aren't rim protectors. If you have Okafor on your squad as the starting C, the big that fits best next to him is a shot blocking floor spacer...which is currently the rarest player in basketball. After Porzingis, Davis, Ibaka, there aren't hardly any of those dudes in the league period.
Just look at Milwaukee. They went from a great defense last year (1st in Defensive Efficiency) with rim protector/hard roller to the rack Zaza at C to a weak defense (LAST in D Efficiency) with Greg Monroe, who is not a rim protector or roller to the rack off the Pick and Roll.
These back to the basket scoring Cs who can't protect the rim (Enes Kanter, Monroe, probably Okafor) are going to get attacked all day in this era of small-ball. Can Oak defend out in space, a must in an era where constant switching is the norm? I could be wrong but I don't see it happening.
The league is outside-in now as opposed to inside-out like it was in the past. I'd much rather have a playmaking Guard who can shoot, pass, and rebound like Russell than an offensively skilled but plodding C like Okafor. Much easier to build around a perimeter guy than a low post guy.