Hell, I think that most of the folks in the public education system should be barred from contact with children in the first place!
But seriously... yes, yes I do agree with the statement in your question. Why the heck would you take people who are part of the problem and propose them to be solutions?
If you would not see any Bar qualification as advantageous, there would be a lot of conservatives who are now active for conservative causes in the judicial field out in the cold.