Dilbert classifies bosses into 4 quadrant - based on capability and evilness.
Type 1: Capable and harmless - does not exist Type 2: Incompetent and harmless - good entertainment value Type 3: Capable and evil - most dangerous type, try to redirect his evilness to coworkers Type 4: Incompetent and evil - Most managers belong to this type. That is why you need to read Dilbert to cope up with such bosses