And yet this is why he is a weak villain. No real connectioon between the protagonist and natgaonisty is established outside the very basic stuff.
And considering the themes of the game, more of a debate should be necessary,
So you don't like it because it's not personal? It has never been personal in the DA universe. The Warden didn't have a personal grudge against the Darkspawn. They're monsters that threatened the world and needed to be eliminated. The personal connection was limited to 'my world is in danger and I must save it'. Unless you count the taint as a 'personal connection'.
Hawke was trying to stop two factions from tearing the city he/she loved in apart. Nothing personal there either. 'My city is in danger and I must save it'.
In Inquisition we have the same deal: a big monster is threatening the world and we must stop it.
Personal issues villains are usually secondary in the DA universe. Loghain, Howe, that guy who kidnapped the Elves