Does EU have any regulation to prevent it? I hoped that the latest Digital Markets Act would have any provision against it, but afaik it didn’t.
Yes
Article 22 of the GDPR. Essentially it sates that if automated decision making occurs, you must be able to appeal to a human.
https://www.gdpr-toolkit.co.uk/individuals-rights/the-rights...
This is aside from common law, which might give some protection in that entities managing your goods (and maybe your data?), even voluntarily, have a have a duty of care to keep them safe.
A phone number used for this purpose would definitely identify a person, and so qualify as personal information.