The movie studios and electronics manufacturers think—wrongly—these new high-def formats will extend the market for home-entertainment media indefinitely. Both formats will fail, not because consumers are wary of a format war in which they could back the losing team, a la Betamax.
Though this will not happen right away, the article goes on to explain about the benefits of downloading movies from the internet and also using cable on demand. I must be weird, because I actually prefer owning a physical copy of whatever I hand over hard earned money for.