A lot of people are saying how you should be able to control the pet while casting but really think about it a little. While casting the master is concentrating on the spell at hand in general magic mythology even brief moment of interruption would cause failure. You can't point at a monster to order an attack if you are focusing power. You can't scream "SIC 'EM" if you are chanting. It is simply how things work. Would I be turned off if they let us control during other action? No. But I sure am ok with out being able to do it from a logical stand point.