He's coming off a sports hernia which he got the surgery for he's not going to look himself til the midway point of the season at best. Add to the fact he's 28 now he's not unlocking another level in his game he is what he is at this point.
Try again, Dvorak is a bottom 6 player who's been stapled to a point per game player in Zegras. His offense is solely due to that answer funnily enough most of Zegras' offense comes when hes away from Dvorak.