The league tries to make rivalries between Detroit and Nashville, or Detroit and Columbus. It doesn't work.
We still hate the Avs, though, even if all the bad guys have retired. Ozzie, Lidstrom and Draper are still Wings, though. And, obviously, Avs fans still hate the Wings-the hockey episode of South Park is kind of evidence of that.
I'm not a hockey fan, so I don't really care one way or the other.
Got this off the Chronicle of Higher Ed, in the comments section of a fairly dull article ("Welcome to Graduate School") which told students how to succeed in graduate school. I like this guy's list...