Recording the event on your own camera allows you to post the entire thing should the interviewer attempt to edit your response to make it sound other than what you said. That's basic.What does starting your own camera do? Who said that they are going to ask simple or even fair questions?
Balderdash. They control the narrative by giving interviews, otherwise they just come across as uninformed lemmings following the herd (as these do). They must be democrats if they will only speak to sympathetic media outlets, because Republicans are accustomed to a hostile media presence. Face it, they wanted attention, they got attention, and ran from it.They cede control of the narrative by doing interviews.