Their audience. If journalists are forcefully accompanied by government officials, their journalism can be influenced. This irreparably taints the integrity of their work in a way that is often unacceptable to their audience.
> > you need a license/approval before you can interview someone
> [citation needed]
So it was stated by a police officer in the video above (I'm assuming it was a real police encounter and not staged, and that the subtitles are correct as he didn't say it in English).