So instead of staying, where she can actually help viewers understand the problems and truth, she abandons her role and quits, leaving it to be filled by some new sheep that will parrot whatever they are told?

I call that a quitter, someone not willing to face the backlash of showing her opinion on the matter in front of her viewers. She could be much more impactful if she had stayed and devoted herself to highlighting the "truth" and doing all the things she mentioned are lacking.

Brave isn't what I'd call it.