Their celebration is no worse than any other celebration by any other winning hockey team. And it was part of a tradition since Salt Lake.
Sometimes we North Americans tend to be a little too damned anal (conservative for lack of a better description). In Europe there would nary be a whimper about a young lady only a year or so under the "drinking age" for having a beer.
We should all lighten up a little - and enjoy a great victory by our most dominant Olympic athletes ever!