So, if the president is a crook and nominates a crook and the senate is full of crooks and vote yes to have said crook become a judge, then yes really bad stuff can happen.
That’s essentially what happened with Kavanaugh, Amy, and Neil minus the judge being a crook part. Well, Kavanaugh is a rapist so for him the crook part applies. The really bad stuff is happening. You just are not aware of it.