The discussion is what Google's "core business" is. Google makes less than 1/5th of their revenue from their ad network in third party products and sites. The o

The discussion is what Google's "core business" is. Google makes less than 1/5th of their revenue from their ad network in third party products and sites. The overwhelming majority of their money comes from monetization of their own services. Apple operates and promotes its own ad network, and its lack of success in that market doesn't somehow separate it from that reality. No one would claim that Apple's core business was iAds.