Agree with the first part, not so sure about the second.
Don't forget Eric as well. He is one of the trio, who turns Google into what it is today.
Eric's contribution to Google was paranoia and urgency from his bitter experiences losing twice to Microsoft. He knew Microsoft would come after them. So, they to widen the gap so far that when the "sleeping giant" woke up, it wouldn't be able to overtake and crush em.