Every time I think humans are at least somewhat rational, there's always a reminder it's not so.
I remember everyone whining about Celeron name going away (it didn't), or Pentium, or ATI, or whatever.
It's a friggin name. Who cares?
AMD can't make a gaming processor anyway, so maybe they decided the FX name was for gaming, which they know they can't really do from the CPU end, and may want something to focus more on what it can do.
Or maybe they will continue to make them, but it wasn't on a particular piece of paper.
The reality is, it doesn't matter. Show me someone who bought an FX-8350 for gaming, and I'll show you an idiot. Intel destroys AMD in gaming. Not close. It's embarrassing.
Some apps AMD does OK in, and maybe they'll try to find a better way of conveying it. FX probably has an association as gaming processor, and one for the kiddies, and this dog won't hunt there.
The one thing is, if they're releasing these 9590 processors, which clearly suck and aren't useful at much, they'll continue releasing flagship products that aren't particularly useful, but do represent the best performance they can get.
Maybe they'll call it FX, maybe they won't. It just doesn't matter.