It possibly might have been scaled back along with the rest of their cuts to permissions in their Graph API in 2015: https://techcrunch.com/2015/04/28/facebook-api-shut-down/

You could check how that changed over time: https://developers.facebook.com/docs/apps/changelog

Not sure if they are the same, but it might be along the same lines of "We don't want to give everyone access to everything".