I'm sick and tired of all the virus hoo-hah myself. The only "anti-virus software" a hacker needs is DEBUG. And maybe your favorite sector editor utility, like DISKEDIT. Anything more, and you're an embarassment. Why don't you just send your life savings to McAfee while you're at it. I could go and quote P. T. Barnum right now, but I think my point is made.
Unfortunately most of humanity is not in the category of "hacker", and we should be considerate of them. While we tout cryptography for example we have to remember that the only way that it will get into the mainstream is if it is integrated very nicely into foolproof user-friendly (sorry, the term makes me cringe a bit too) software. I don't see any constructive purpose served by viruses, and if anybody in this group is advocating or even pursuing their development, I think that has just brought the quality of the list down several notches, and really damaged the credibility of the speakers. Definitely, they are interesting to study, but the havoc they wreak is incalculable. To the extent that they encourage designers to create more straightjacket-type security mechanisms, they are detrimental to the goal of simple and straightforward access to computer technology, and significantly undermine confidence in and use of that technology.