So he did. Which, interestingly, thanks to copyright and the decisions of the publisher, is difficult to bring into the public dialogue on the issue. As, though citing the essay to respond to it would likely be fair use, I don't know of anywhere one can easily find a copy of the 2003 Toronto Globe and Mail to read the essay.

I'd be interested to know what he has to say (beyond a few choice references culled from people citing him) on the issue, as he must have given it quite a bit of thought.