When I did counterintelligence investigations, they rarely saw the inside of a courtroom. That wasn't the goal of them.
Cameras should be the norm everywhere. It should be in every courtroom so that the proceedings are taken down and recorded just like stenography.
Our religious liberty was threatened by the Obama administration as part of the Obamacare law. I was in the courtroom when that law was, I think unjustly, held constitutional.
The Courtroom is a battlefield, and oral argument requires a fair amount of verbal jousting and sparring with the Justices.