It doesn't really hurt anything and will be a small influx of coin in the cities they take place in but now an outdoor game is almost just another game. I would've preferred an outdoor game once every two years, but I realize I was really radical on that topic. Once a year is plenty, maybe two. I wouldn't mind an opening night outdoor game and then the usual Winter Classic. The usual one fits in nicely with bowl season and whatnot, and the opening night one would signify to the sports world that the season is starting.
This is seriously gilding the lily though. Ever hear of too much of a good thing? If they only did it just this once to get an influx of interest I could stand it but if they do this next year (and the year after, and the year after, which I fully expect) these will be completely unremarkable. After the first three I was never much interested in them after that to begin with. The first one had a great atmosphere and a great ending, Wings vs Hawks was actually a good hockey game IMO, then after that they all kind of became just another game with different scenery around the boards. This Nth degree stuff will again, not hurt anything, but the concept will be shot from a TV perspective in a couple years.