Got it, yeah I wonder if Google will lose customers to Brave :) It just seems like low hanging fruit. But I understand about other features. And writing from a genuine point of curiosity, not trying to sound entitled.
For example, YouTube without the ability to log who's watching what, when, and without the ability to inject ads. Same for TikTok/Facebook/etc..
Walled gardens, even those with gently sloped walls, have few reasons to cultivate the wild beyond their control. Except maybe to show users outside the way into their garden.