The only option is smart features, on or off. That requires Google to read the email to categorize them and do a lot of basic stuff. It doesn’t let you narrowly have more privacy on specific features. It’s all or nothing, and if you get a lot of emails then it’s hard to turn it off if you already use categories. Google always does all or nothing because they know people need some of it, same with location. It has to be precise location tracking to use things, you can’t just do rough location.