No surprise there. Since you need an iTunes account to do anything but mail and web on the iPad, they have your identity anyways. Let's not forget there's far more iPhones out there. Chances are, if you bought an iPad, Apple already knew who you were.

That's an excellent reason why the phrase should be clarified. If you had a problem understanding it, then chances are that a large portion of the audience is also not getting it. "Game Experience May Change During Online Play" While I've always understood what they mean, I've always felt it was written in such a way as to intentionally confuse. It's as if they're trying to be a bit coy about it. "Yep, this game is perfectly fine for kids. Except....well, I don't want to startle you or anything, but...something really bad could happen online. Oops, look at the time, gotta go!"