1) advertising does not belong in Settings
2) notifications - especially system notifications - should not be abused for pushing ads
With regard to iCloud - 5 gigs is stingy compared to Google drive etc., but it's more than enough for the most essential parts: iCloud keychain, continuity, and storage for non-media apps like contacts/calendar/reminders (if you use them). The part I object to is using the OS for advertising.