"It clearly shows that he is not in the know of things and is kept outside the circle of decision makers so that he doesn't leak anything stupidly"
Generally, an automaton is kept in the closet until needed to entertain by speaking to Maria, then back in the closet. Occasionally, the message needs changing as the automaton can only repeat messages over and over and over. There you gave the rest of the story. Pulte is not a human.