Have you not read the last quote in my comment?
Apple saw people buying things on iTunes, rather than physical media so they started eliminating the SuperDrive with the MacBook Air. That's no coincidence like you're suggesting, but planned based on what Apple thought the new standard was going to be.
No, I don't need 7 years to see something so obvious (you might). They
literally state the 12" MacBook is their vision for the future. They
state the one USB port is for the wireless world (yes, that's the one without USB devices).