- He is an expert in the domain
- He made a lawful request
- He believes he's experiencing an obstruction of his rights
I don't see anything egregious here. Being critical of your government is a protected right for USA. Everyone gets a moment to state their case if they'd like to make an accusation.
Suing sounds offensive, but that is the official process for submitting an issue that a government can understand and address. I'm seeing some comments here that seem aghast at the audacity to accuse the government at your own peril, and it shows an ignorance of history.