Wins are wins no matter how they are achieved. The worst thing anyone could do would be to minimize those wins. Everything plays a factor in a team winning a game, a little luck, a little opportunity, weather, fans, everything. Just like the Pats winning streak. You HAVE to have those things if you're going to win consistently in the NFL due to the sheer talent spread across the league.
The way its looking now, the Steelers will have something to play for come Week 17. For your sake, lets hope the Bills do too. Cincy stands solidly in your way.