They are not worried about her spilling the beans. She knows if she did that she would be murdered. What they want is to show to the world and their friends that they are powerful and untouchable. If she goes or stays in prison it reveals cracks in their hegemony and that there are still risks and gambles about being an abject degenerate, just like Baldwin shooting someone and not getting prosecuted it’s about rubbing their untouchable power in front of everyone’s faces. This is a gloat and a recruiting tactic.