obviously, but if someone wants the apple gift card why would they buy the best buy computer to get their gift card just to turn around and buy the apple card like you suggested? That's just a waste if someone already knows they want the apple card.
Yes, if someone wants solely an apple gc, go through apple. However, and I imagine many others, would rather have the versatility to have more options as when I get a gc, I hardly know what I want to get with it beforehand, be it a apple gc or hardware gear from bb.
As far as the edu discount, there have been cases of bb matching it