Well, given the way the article reads, this really isn't anything new; Uematsu has been doing less and less work on the Final Fantasy series since the merger. There used to be a time when he was solely responsible for all of the songs in the game; from what I understand that hasn't been the case since FFX. He did say that he was going to be working for Square-Enix from time to time, however. Which is great; spending nearly 16 years doing masterful work for a particular franchise carries a lot of weight. In every interview I've heard him do, he always mentions how much he enjoyed working on the Final Fantasy series. My guess is Square-Enix would have him do the more important songs for the game: Unique bosses and such.

Truthfully, I don't think Uematsu is going to drop off the face of the Earth. His work will probably have a prominant feature in upcoming Final Fantasy titles unless he was lying though his teeth about how much he liked working on the series.

Wow... That means there's almost no one left in Square Enix from its "humble" beginnings.