I'm not going to ding you on having hope for the guy for the future, but we've see little to nothing from him to date. We certainly have seen nothing--so far--to indicate "very good" linebacking instincts and athletic ability. From what I recall, there was some surprise he didn't have more athletic burst. So, yeah, you can hope he develops into a top-notch middle linebacker, and I certainly hope so, but we've not gotten any indicators of this whatsoever to date.
One thing in his favor--well, a mitigating factor--is the injury situation. Gotta stay healthy to develop, though.