I think it all depends on where he projects in the NFL. Is he expected to step in and be THE GUY calling plays and the QB of the defense as an MLB, or will he be counted on more to be the athletic WILL, or an OLB in a 4-3 scheme. If the first, then this season 2018 shows he probably needs some development time. If the second, then you look back at 2017 where he played a ton but didn't have to be the signal caller and was more productive (on a per snap basis).
Honestly, this was the same thing as Hightower. When we were asking him to be "the guy" calling all the plays, he wasn't as productive. swap that responsibility over to the other guy and let Donta play Will, and his productivity skyrocketed.