Apple has fired a warning shot at Facebook and Google by insisting it will remove their apps from its App Store if they don’t comply with Cupertino's new privacy standard.

https://www.reddit.com/r/privacy/comments/kb28nq/apple_has_fired_a_warning_shot_at_facebook_and/

https://www.theregister.com/2020/12/09/apple_privacy_app_crackdown/