I don't think he is anywhere near what he should be, not at the spot he was drafted at, a second round pick should be more productive IMO, I think he should have been drafted 4th round or later, then he wouldn't have been expected to come in and contribute as much. did Fisher overvalue him? yes IMO, and he admitted such when he said he was a project.
Bailey played with Clemons too was a rookie and had better numbers than Quick,
I honestly hope he reaches his potential, but you have to put a time limit on it, and IMO he is at his limit.