Soft opt-in under ePrivacy does not answer every GDPR question. The ePrivacy Directive particularises and complements GDPR for electronic communications, and EDPB guidance recognises that some processing can fall within both instruments. Teams still need a GDPR lawful basis, transparency, data minimisation, retention, and rights handling for the personal-data processing around the campaign.
Article 13 leaves several points to Member State implementation, including the approach for direct-marketing cases outside Article 13(1) and 13(2), and protection of subscribers other than natural persons. Record the country rule check instead of assuming that one EU-wide marketing playbook covers every recipient or channel.