I'm not saying tweaks can't be done to improve the bottom of the lineup. But the big guns are a much bigger issue.
I'll use the forwards to make my point.
We came into the season with a pretty good bottom 6, especially the 3rd line.
Greenway/Mitts/Benson
Girgs/Krebs/Okposo
We should have enjoyed that 3rd line until at least Tage's injury. But the big guns in the top 6 (Tage, Tuch, Skinner and Cozens) were playing like ass. So, after 4 games that 3rd line was broken up and fed into a line blender to help get the top guys going.
To put it another way, our top guns poor play not only didn't get the job done to help us win. It also killed a very good depth line behind them.
Getting the top 6 going helps get the bottom 6 going, especially once Tage returns.