Google's entire buisness model was built on hoovering up and selling access to user data in the form of AdSense. Without that data, their business falls apart.

Apple's business model is to entice people into a walled garden ecosystem where they buy lots of expensive hardware sold on high margins. They don't need user data to make this work, which is why they can more comfortably push features like end-to-end and no-knowledge encryption.