This poorly designed AI you speak of is the premise of I, Robot by Asimov. In fact, this is one of the fears surrounding AGI - the AGI would be correctly config

This poorly designed AI you speak of is the premise of I, Robot by Asimov. In fact, this is one of the fears surrounding AGI - the AGI would be correctly configured to act only for the benefit of humanity, however, in typical AI fashion, this leads to unexpected (and often undesirable) effects.