Right, because it makes a lot more financial sense for Apple to just sell the entire iPad production lot to gray market wholesalers who can then jack up MAP price 30%. Screw the customer who has to pay the extra markup -- Apple sold the entire lot in once quick transaction. Yep. Not thinking about the consumer at all.
You know it's quite common in the electronics world to sequence launches regionally, rather than worldwide, right? Nintendo always launches in Japan first, and North America, Europe, South America, and rest of Asia months later. Sony frequently does this as well -- some of its products never even make it to the US. M$ did this with the XBOX 360. And on and on.
Manufacturers would love to do a single worldwide roll out but it's complicated with varying laws and also trying to accumulated enough parts factory time, shipping infrastructure, etc, to satisfy world demand at one time.
And most of all: You are not entitled, by right, to any Apple product. Apple, as a consumer products company, needs to serve as many customers as possible. Product limits in the consumer realm are not exactly unheard of. Open up your Sunday paper and pull out the fliers. I bet you'll find a bunch of products with explicit sales limitations.