Because apples are delicious and nutritious, neither of which are qualities of which the iPad or a rock can boast.
Woo, look at me, being all fancy and not leaving my prepositions at the end of sentences. I should be shamed off the internet.
After the last Apple comparison, I decided to compare Apple with the rig I'm buying soon. Not only does Apple use inferior parts, but they want to charge $3000 more just for the name! Hell, I bet they aren't even using a good power supply for their computer! (Mine is 700 watts.)