重新写出并保证字数差不多：In this caseCraig is this theorys performerbecause when his stuff offered suggestions on how to deal with problemsCraig always rejected them and said This is my kitchenwe run it my way Wh

In this particular scenario, Craig can be regarded as the practitioner of this theory. This is because, whenever his subordinates presented ideas on resolving issues, he consistently dismissed them and stated: "This is my domain, and we operate it according to my rules." This attitude clearly indicates his desire to maintain a tight grip over his team.