Based on this and many of your previous postings, I doubt that there is anything to debate. I think we see eye to eye on the need for safe computing, ability of an up-to-date OS X to provide adequate protection for most all users, issues surrounding Norton, Avast!, even Sophos occasionally. And I'm all in on your contention that each individual needs to make decisions such as these based on their own personal computing habits and an educated knowledge of the pros and cons involved in using A-V software. I've probably run into at least as many users as you have that are clueless as to why their computer is running so slow when they installed MacKeeper to prevent such things....
But you must have missed the fact that none of the A-V software I have installed is in an active mode, other than keeping definitions up-to-date. So there is almost zero chance that any of them will cause issues for me. That being said, I have had one instance of Sophos activating something on it's own resulting in constant log entries. Only an uninstall/re-install solved it. And Sophos is known to be one of the best behaved these days.
Last nights False Positive issue was certainly more serious than any I've previously handled. It could have been worse, but ClamXav won't allow users to move or delete system files. As it was there were at least a couple of users who disabled their Microsoft Office by quarantining critical components. One was able to recover, but I suspect the other will need to re-install from source before it's repaired. It would be nice if the folks at Cisco/ClamAV would adequately test their signatures on an OS X machine, but they are too focused on their primary threat to the Windows platform to pay much attention to others. They did take quick action this morning to whitelist the signature, but not before a dozen or so Mac users were panicked and/or crippled by it. That's probably reason enough to consider uninstalling it, but all those problems could have been avoided by simply not enabling the Quarantine option, which is what I always recommend to those who ask / listen.