The Key to the High-Def DVD War?

According to this article, pornography was a significant factor in the format war between VHS and Betamax, and it will likely play a similar role in the ongoing fight between HD-DVD and Blu-ray. Apparently, the Blu-ray backers are making it difficult for the porn industry to put out their product on that format, while the HD-DVD folks are working with the pornographers. Hunh.