Hill has and does attract tags. Bennell rarely.Yes, it's not like Hill plays with the best midfielder in the comp.
Bennell plays half forward and outside mid, while Hill plays wing, inside/outside mid and even off half back.
These are facts, what you're undertaking is a false comparison.
Moreover, their roles are different. Hill, with his elite disposal, is our primary distributor, while Bennell's role has been as an elite finisher.