Almost all of this already exists: * Apps that offer any form of social login must also offer Apple ID login * Apple ID login can anonymise your email addres

Almost all of this already exists: * Apps that offer any form of social login must also offer Apple ID login * Apple ID login can anonymise your email address per-provider * Every app already gets a distinct device ID, and indeed every app install gets one. Reinstalls regenerate it. * Wifi APs and Bluetooth scans require location privileges, which you can decline. * Apps are required to continue functioning (minus functions that clearly require the permission) if you decline them.