The worst-case scenario would be for someone who is prosecuted by Sessions to file a complaint against Sessions for ethical misconduct over a conflict of interest. Even if the charge doesn't stick, it could be sufficient for a criminal charge against that defendant to be dismissed, or a conviction overturned. Is that really a risk you would ever want to take ... just so the AG can be a "fighter" in your mind? Please.
If there is a clear conflict of interest - I agree. But does the mere fact that Sessions was nominated by Trump constitute such a conflict? In reality yes. Legally? I don’t think so. But I have to concede that even if that is true it could be grounds for an appeal - with all of its attendant uncertainty.
So - ok I agree with you.