Trump didn't challenge the Subpoena at the time, he just disobeyed the Subpoena.
If Trump thought he didn't have to comply, then he should have challenged the Subpoena at the time through the legal process.
Defying the Subpoena is defying the Subpoena.
Gym Jim Jordan defied a Subpoena, it is irrelevant that charges weren't pursued, it didn't change his actions.
