[arghwhat]

Your expectations of what you wanted from Hetzner has nothing to do with their professionalism. They most certainly acted with outmost professionalism given the situation you describe, and the behavior to be expected from any hosting provider.

I get your frustration in the situation, but even if it would have been helpful to you, it would be extremely unprofessional for a hosting provider to invervene in the operations of its customers unless the customer violates the Terms of Service (an agreement you have no part in), a court order is made, or law enforcement makes a legally supported demand. Random legal notices sent by mail from strangers are not on this list, but could lead to Hetzner evaluating if a ToS violation is in effect that must be resolved.

If the customer is a business, it could be that they have breached the Impressum laws. It would have helped you if they had the impressum, but until legal action is taken it remains undecided if there is a violation, and if there was the consequence would be that the customer is liable for a written warning and in some cases a fine, as decided by the relevant authorities or a court of law.

[weinzierl]

I disagree. For one thing I think you misinterpret the legal situation. This is Germany, the provider is on the hook. Secondly, you do not have insight into the communication and I won't share it but I assure you their conduct was unprofessional.

[arghwhat]

The provider may be on the hook of legal consequences from authorities *if" their customer is a business offering services in Germany.

Nothing that would involve you as a third-party individual.