He does seem to have gained from having a troglodyte as a new boss.
So from that point of view he has played a blinder.
Unless your friend's dh is also a troglodyte, in which case she should just leave the bastard etc.
On the other hand, is there the teensiest weensiest chance that your friend's dh has made all this up, possibly to annoy or to cover his meagre earning power?