[belorn]

tax evasion is an felony because its a crime against the state. All crimes against the state is considered serious by the state.

Fraud is about money, and money is issued by the state. As such, fraud is a crime against the state and thus considered as serious by the state.

If we view copyright as an granted monopoly by the state, then declaring it as a felony would follow a historical pattern. As a property hover, it does not.