If you are concerned about privacy, you shouldn't be on Google at all. Move to almost any other provider and you are already a step ahead in terms of privacy.
You aren't going to get absolute privacy in a single step, if ever. You do the best you can, iterate, and do better. Moving away from Google is step 1. Step 2 is to continue research, and potentially move again if it fits your threat model.
If you are concerned about privacy, you shouldn't be on Google at all. Move to almost any other provider and you are already a step ahead in terms of privacy.
You aren't going to get absolute privacy in a single step, if ever. You do the best you can, iterate, and do better. Moving away from Google is step 1. Step 2 is to continue research, and potentially move again if it fits your threat model.