Wow. The descent into madness is real. I guess, when your fragile ego is built on the fact that you're better than someone, you sorta lose all grip on reality once that dynamic is broken.
Yeah, bullying was wholly unprofessional the whole time and really doesn't make sense considering the difference in social standing, but eh. Interpersonal politics are weird.
And I guess if any house is gonna be a meritocracy, it would be this Duke's home.