“The EDPB binding decisions clarify that Meta unlawfully processed personal data for behavioural advertising. Such advertising is not necessary for the performance of an alleged contract with Facebook and Instagram users. These decisions may also have an important impact on other platforms that have behavioural ads at the centre of their business model,” said EDPB chair, Andrea Jelinek, in a statement.
https://techcrunch.com/2023/01/12/meta-ads-gdpr-decisions-edpb/