Will they listen or just laugh it off? Besides, making it the individual's job to run around and tell everyone to delete their data is the worst possible way. And who has data on you without your knowledge? How about not collecting all that data in the first place?
Edit for clarification: I'm not criticizing CR, they're doing what they can under the circumstances.
“Permission Slip helps you exercise your right to privacy under the California Consumer Privacy Act (CCPA) by acting as your ‘authorized agent’ and sending data requests to companies for you.”
https://www.permissionslipcr.com/faq.php
The California Attorney General is monitoring companies’ compliance with authorized agent requests:
“The sweep also focuses on businesses that failed to process consumer requests submitted via an authorized agent, as required by the CCPA. Requests submitted by authorized agents include those sent by Permission Slip, a mobile application developed by Consumer Reports that allows consumers to send requests to opt-out and delete their personal information.”
https://oag.ca.gov/news/press-releases/ahead-data-privacy-da...