Actually, it was Ian Mackaye's hardcore band of the early eighties Minor Threat (who I vastly prefer to Fugazi) that had the song called "Straight Edge," which outlined the pro's of not drinking/drugging and ended up being adopted as an umbrella tag for a movement. I'd be willing to bet big that other members of Fugazi, if not Mackaye himself, enjoy the occassional beer/what-have-you.
Straight edge excesses date back to the '80's as well. Certain militant straight-edgers in Boston, for instance, were notorious for walking around at punk rock shows knocking beers out of other people's hands. (I am not making this up.) Of course, this is a far cry from all the bullshit happening in Utah that Louis re-posted, which has been documented fairly extensively in Salt Lake City's dailies.
jf