What happened to Park Ju-min?

Just like Park Won-soon, he gathered supporters as a "beggar lawyer" and had issues with real estate, and now he's acting all submissive on a broadcast.
He was stuttering when faced with Jeong Young-jin and Chae Yoon-kyung's blunt questions on Jangreuman..
He took the lead during Yoon Suk-yeol's Prosecutor General confirmation hearing
But said something completely different regarding Kim Ji-yong