I don't think the amount of games played by top line is enough to statistically say much. That is what I hate about Q sometimes...he doesn't go by vision, but by result. A guy like Hino came in here and created chances left and right, but they didn't go in...so he goes back down. Kahun gets a couple lucky shots and we are stuck with him for a month.
(Although I see Kahun does some things that help Toews and Cat, its not a bad compliment at the least)
Those of us that have been watching Lord, like yourself....realize Toews looks good. Looks like a better version of himself than we saw the majority of the last two years, 1.Toews looks to be having a bounce back year...2. Cat is progressing as expected for his age...and those are the only two "facts" I am willing stand on so far.
I am not opposed to trying Fortin there, Kane, Saad, or continuing a search.
Yes the line is doing better, but I am in no way ready to attribute that to Kahun. Kahun looks slow to me, maybe I'm wrong. I just think a 1st line assignment is a bit much.