Well it's against the law, so presumably they were clever enough not to put it in their TOS.

Automated deletion of an account by waiting a year does not comply with the GDPR and your right to correct or remove your data. Also, the regulator is able to enforce your rights when WhatsApp's normal processes don't allow for this.

> WhatsApp's privacy policy for Europe tells you that you can complain to a data protection regulator, and it names the law that gives you that right.

The first line of TFA. Unless you're distinguishing between "can" and "should"?