Nah. I like him. He does a lot of unnoticed work and scores more than his fair share of goals (he's actually got an excellent record when played as a CF). He isn't slow by any means but he's not rapid. It's tough to get the ball off of him and he is astute in and around the area, he does a great job of knitting the attack together and keeping it flowing. He is inconsistent though, he can have world class touch one minute and cough it up the next .. but then most players do that occasionally if you are actually keeping score.
You can easily see why both Rodgers and Klopp love him and play him most of the time, and why he was such a success in the BL, if you can put aside your bias. He's only been here one season, I'm looking forward to further improvement this season.