There's no better way to predict an angry response than to be angry, qualia and all. If transformers could 'learn whatever it needs to predict text', then that potentially includes the feeling of anger. You are making some kind of distinction between 'predictive emotions' and the kind that happens when get a promotion (or get passed on a promotion) and I'm telling you that if you really understood what you said, you'd realize it is possible the machine is experiencing it the same.