i would back moving Laporte into that position if he stays and giving him a chance there. At least he’d offer defensive strength.
I don’t know if it’s Rodri (the player) or the role Pep’s asking him to play in the side. He clearly isn’t being asked to play the same role as Fern (because that doesn’t suit his attributes). But I honestly think if you put him in that role at, say, Blackburn Rovers, he wouldn’t fundamentally alter their success.
Maybe he’s not supposed to and it’s all part of the system, but I was fine with the system we had with Fern. We tried this before with Fernando, Javi Garcia and a few others and it never stuck. It’s an position continental managers seem to instinctively like: Pellegrini tried it, Pep did, Arteta seems to like it, and it might work in Spain but don’t think it suits the English game tbh