From the WWDC 2012 Live Blog
"Almost all of our users are running iOS 5... now if you compare that to the competition. They released a dairy product, 4.0, about the same time as we released iOS 5. About 7% of their users are running it."
Just saw this one, looks like a direct flame starter from the company, and it's direct.
Looks like the next comments are gonna get interesting.