Could be, they also had a pre-iso valuation that needed justifying. The signal to me that it was really over was when they stopped supporting jabber/XMPP and look where it go them. I never experienced Google as a stock. My only experience with google is as a search engine and a mail delivery system that broke all the rules of polite society.
Could be "Don't be evil" was the answer to the business model question of early google. My memory is that it spawned during an interview with Larry and Sergey regarding the business model.
Ads in early 2000s > Mega-valuation