Look, Allen, I could be wrong, but I don't think your arguments are very good, and I'm not going to pretend they are just to save your feelings.
Antivirus programs are corporate standards in every Fortune 500 company. And yet those companies are rife with botnet infections and, yes, viruses. From a CS perspective, antivirus simply cannot work: you'd have to solve the halting problem to do it. Consumer Reports contracted ISE (Avi Rubin's company, a competitor of ours) to test AV software and found that none of it was effective against the simplest permutations of existing viruses.
AV software is not the reason Macs have fewer viruses than Windows.
you tend to turn any conversation you're in into a flamewar, so that's the last i'm going to say about it.