Promo Codes for Mac App Store Functional Worldwide

"Back in December Macstories reported that Apple wasn't making promo codes (simple codes used to give away copies of an app) available in the Mac App Store. But it looks like Apple has reconsidered, as Macstories is reporting a change, allowing Mac App Store promo codes in any Mac App Store worldwide (it took a while for iOS App Store codes to go international). As before, developers are limited to 50 codes per version of an app."

I'm sure the developers are happy about this. I wonder why it takes so long to allow this type of thing, I wouldn't think they would have to worry about regulations on this, or would they? I'm just curious as it doesn't seem like something that should be that hard to do, or take this long to allow it to function. Any thoughts?