The problem for which sundance claims to have a solution is the institutional corruption of our federal justice system, specifically the politicization of the DoJ and FBI:
The institutions of the DOJ and FBI are corrupted; not just a few people within it, but rather the entire apparatus has been weaponized, over time, by participating political members who have politicized every function within the institution.
Let's grant the premise for the sake of the argument. What is sundance's solution?
Any solution has to come from a position external to the organization or the cycle will simply continue.
Putting a former U.S. DOJ official in charge of the DOJ, regardless of former term or professional/honorable intent, only maintains the status quo. The career mechanisms inside the organization will expel any action adverse to their interests, and the rules are set to aide their retention.
He's speaking here of Bill Barr, Trump's nominee to replace Jeff Sessions as AG. And so there's no chance that you'll mistake who he has in mind, he has a picture: