3D craze waning?

Interesting article in today’s edition of Techland about the possible remission of the commercial 3D craze (second article of its kind that I see in my RSS feed burner today) – is the 3D honeymoon over? I wonder what will happen to the thousands of gleaming-new 3D projection systems that theatres have been investing in — a conversion to 3D costs between $ 25,000 and $ 30,000).