Court craft required for a judge is different from the craft required for an advocate. 

An advocate needs to know the judge, play the the tune that pleases the judge and compete in this art with his fellow  advocates. An advocate in order to be à successful advocate where ever he is practicing must know well about the flow of clients who would engage him and further take care of the economics around the profession.

A judge cannot. He is not occupying the chair by way of choice of litigants  or  advocates. He is not to please either parties or the advocates. He must not connect with them in any personal capacity save and except  as a judge during court hours  only.  A judge has no business  to unnecessarily probe the individual details of either parties or advocate.  He must not be rude but he must be strict as a judge as per law and sober as a judge m