^ Indeed. Kurn was acting under normal Klingon tradition. He wasn't forced to have those beliefs, he willingly embraced them. And if the "Rodek" identity ever wears off, I wouldn't blame Kurn for being pissed.
Rugal, OTOH, was specifically taught by his adoptive parents to hate his own people, because it was their way of gaining revenge on Cardassia - on ALL Cardassians. It was a deliberate act of malice on their part. I mean, I understand why they did it...because of the occupation...it's just that Rugal's beliefs about his own people were not "normal". No living being is supposed to hate their own race (or species). No matter what some Cardassians might have done, Rugal was not responsible for this, and shouldn't be made to think that he is.
I mean, in our own time, it's obviously wrong to blame all Muslims for 9/11, all Germans for the Nazis, all Japanese for Pearl Harbor, all white people for slavery, etc. etc. This is just another example of that. Rugal is being forced to hate who he is. That's just wrong.