It is absolutely not illegal. But it is subject to GDPR, so I could send a deletion request to the admin of an instance, and they would have to delete my content on their instance.
In general, any data that can be used to tack you, such as IP number that is sent with the request, is identifiable information so an anonymous username is not enough in itself
It is absolutely not illegal. But it is subject to GDPR, so I could send a deletion request to the admin of an instance, and they would have to delete my content on their instance.
GDPR covers “Personally Identifying Information”. If you sign up with an annoymous username I wonder if GDPR even applies.
In general, any data that can be used to tack you, such as IP number that is sent with the request, is identifiable information so an anonymous username is not enough in itself