Earlier quoted context omitted.
People always _always_ forget that Google today is an ad company first. They do search, phones and mobile operating systems as side projects.
Gross over simplification.
Source: https://www.statista.com/statistics/266249/advertising-reven...
They are obviously not only an ad company, but GP only claimed that they are an ad company "first". Can you please clarify which part you consider oversimplified?