for a person that tries to be an expert on stats and the like, you sure fell on your face with this post.
what does professional men's hockey have to do with women's college hockey?
even if you had the proof in men's pro hockey that D did or did not win championships, does it follow true in women's college hockey?
I give you at best a "B" for your blathering, and that's a Millenial B, not a Baby Boomer B.
IOW, most of the grade is for participation, we don't want to scar you with the grade you really earned.
BTW, notice that the statistics now include the Pokechecker Index?

the statistics now include how many goals a player was on the ice for, both for and against