Earlier quoted context omitted.
Gross over simplification.
Out of Google's 2023 revenue of 305.63e9 US-$, 77.8% (237.86e9 US-$) was advertising revenue. 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?
Are they a livestreaming "first" business-man/company/sole trader?
Revenue sources are not necessarily the be all and end all of determining what your key business concern is, or what your business should put first.