That corruption and tendency for betrayal was why Wendy and Marty's son Jonah wanted out so desperately, hoping to take his sister Charlotte with him in Season 4, Part 2.
Only one Ozark character felt genuine, even if he was somewhat unnecessary: the private investigator Mel Sattem.
However, Ozark Season 4, Part 2 saw the family use their political power to get him his original job back as a way of ensuring he couldn't testify at Jonah's hearing to be emancipated.