Well, the expectation of privacy is sort of implied and then on top of that you should be allowed to browse completely anonymously if you so choose.
Why accept being spied on from any angle?
For some people this feels like a hotel with cameras in your room. The other guests can’t see you, but management can.
Ahh my bad, I took the person you were replying to as meaning “incognito mode is not good enough because google is still watching “