What was behind Steve Jobs' AdMob cheap shot at Google?

Apple today rolled out it's new iPhone OS 4.0 platform, and also a new program for mobile advertising called iAds. But during a Q&A session, Jobs said: "We tried to buy AdMob, but Google snatched them up because they didn’t want us to have them, so we bought another smaller company, Quattro." The implication is that Google bought the company out of spite, or as a blocking maneuver, or over paid for the company, and that there was nothing poor little Apple, an advertising "babe in the woods," could do. "Snatched" implies theft or sneaky dealings. Read it here.