And you see evidence of this influence throughout Chrome.
For example, Apple simply blocked third party cookies which are almost exclusively used for tracking. Chrome waited years until they could add their Advertising Sandbox feature first.
Because Google itself can still track people if they sign into Chrome itself (which it actively encourages by using it as single-sign on for its own services), and thus AdSense can still serve targeted ads, but other ad networks cannot.
For example, Apple simply blocked third party cookies which are almost exclusively used for tracking. Chrome waited years until they could add their Advertising Sandbox feature first.