Apples and Oranges.That's like saying Apple disabled the phone app on the iPod Touch.
I have the app (downloaded this morning) - opening it now throws an error 'Retrieval Failed'
Definitely a questionable move by Apple. It's their app so they can do what they want with it, but they shouldn't disable it for people that already have it.
Well, now it has been disabled for iPhone 4S. Every time I try it, I get a voice response that says it can't take new requests. Try again later. I have tried all day, still doesn't work.
Item resolved (I guess). Reset my iPhone and Siri working again. Beta or just bad luck? Don't know but will sure be happy when it comes out of beta. Hopefully, next month when iPad 3 launches.
Still works for me, its beta and not to be relied on though.