Coutinho, prior to Klopp, did not.
Coutinho prior to Klopp was 21-23, expecting him to be a world beater at that age as a new player to the League is a little harsh? As it turns out, as he was entering his peak, he became a machine, was it 100% down to Klopp? Or just a player naturally improving?
Pogba is just 9 months younger than Coutinho, so I doubt he's going to have the peak that Coutinho had, maybe I'm France.
All I'm saying is that some players justify not having to press relentlessly, and track back much, Messi for Barca, Ronaldo for us and Real and Coutinho for Liverpool being a few examples - Pogba will never be productive enough to justify that freedom, and that's his problem here, and will be his problem I'm any tougher league, he thinks he deserves to be the main man with a team built around him, when he doesn't justify it, and I'd bet that Klopp thinks the same and wouldn't touch him.