Mr. Wilson said:
It depends if WoTC keeps Demonomicon or not in their new DI. If they keep the articles as part of DI, then if I was in their shoes, I would want to start it off with a bang, and thus have Orcus be the first demon released in the new DI version, and make Paizo choose a lesser known demon as it's swan song. Demonomicon has been one of the most well received articles Paizo put out, so I why not capatilize on the good-will its built up to help push your new DI, especially given the recent amount of ill-will WoTC has gathered?