Saying “I pirated XYZ”, though, is admitting to a criminal act, and can be used in court if linked strongly to a person through their account information and IP address.

I keep an Outlook.com account to communicate with Microsoft. Render unto Caesar that which is Caesars.

As written, the CFAA really does make violating terms of service become unauthorized access and thus a felony. Some courts have pushed back on this, but I don’t think it has been clearly decided.