They aren't doing this in order to strike a blow for progress, they're doing it in order to hoot the game out in good time for Christmas, and I think it is a contemptible principle. There will be many people out there whose hopes of a happy Christmas have been shot down in flames because of this, and many people who will be bought the game as a present without the capabilities of their TV being taken into account. It simply isn't the case that 50hz-only TVs are non-existent - big, small, cheap, expensive, they're everywhere. My familys main TV is an ugly Phillips widescreen affair, which was the bollocks when it was bought 7-8 years ago, but which still has no 60hz or NTSC support.
This doesn't affect me personally, as I bought an NTSC-capable TV specifically for my American Cube. In fact, I had to buy this TV, because I had never before realised how crappy our expensive television would actually turn out to be. And come on, it's hardly fair to say it's the publics fault for not having been wealthy enough to buy proper kit: that smacks very ill, if you don't mind my saying. Surely the question really is why the hell this horrible standard is still being used by manufacturers?
Bad move, very bad move.