Ebay AI opt in by default
A new privacy policy update will be taking place on the 21st of April, 2025. This will allow eBay to use personal data for the training of their in-house and third-party AIs.
Ebay Privacy Policy (check Sec 12: Ebay and AI)
Thankfully, there is at least a "right to object" for those in Europe (EEC) and UK.
You can opt out of their use of your personal data in this setting. (Can only be disabled after logging in)