Yeah, this is crazy: Settings -> Privacy -> Location Services -> (ALL the way to the bottom of the list, past all apps) System Services -> Location-Based Apple Ads. Oh, and if you have text size increased by any amount, “Ads” doesn’t even appear and it’s just “Location-Based Apple...” (on or off).
The harder something is to find and disable, the shadier it seems.
The harder something is to find and disable, the shadier it seems.