Then explain that to users and let them decide what they want to share instead of opting everyone in by default with no choice to opt out (this is really more "forcing" than "opting" if there is no option).
There is no opting everyone in by default for location on iOS. They have to explicitly opt themselves in, if they want to. Otherwise they are opted out by default. This goes for all apps and is enforced by Apple in order to maintain a good experience for the user.
