And you ignore that all evidences points to the Magister bringing the Blight to the world, there was no mention of them before the seven ventured into the Black City or the fact they have been transformed into Darkspawn.
And they have almost destroyed the world with their mages, it doesnt matter if a mudane ordered them, if they were in the Circles it would have not happened.
The Grey Wardens are worse, their mages almost gave a army of demons to Corypheus. And now are you going to say it was a mudane? Because Corypheus is a mage, Erimond is a amge and even Clarel is a mage.
You can say all you like about the Avvars, but we only know 3 clans, Ths Stone-Bear, Jaws of Hakkon and Jaws of Hakon 2.0. 2 of those clan had their mages do things that would have devastated half of a country because of their magic. I dont condemm them, but they need to be put in a quarentine zone for things like Hakkon, not happen again.
And those societies failed to check their mages.