His attitude is evolving though as he meets more humans in his post Thalmor life.
He does, however, support the subjigation of the Empire and it's provinces and works towards that goal. He also thinks the whole 'Talos Worship' thing is a crock. His thinking process is that the Thalmor are a corrupt bunch of thugs that will do nothing but lead to the downfall of the Dominion in the long run and should be expunged from Tamriel at all cost (there's a history there!). He kills every Thalmor he finds and frees the prisoners (then kills them since they always serve as witnesses and he can't have that) and kills all Vigilan's (I don't think this serves any purpose in the Dominion's eyes, but, hey, they're just really, really irritating). My current character is a strong supporter of the Dominion, but not of the Thalmor (I know, counterintuitive and vaguely a contradiction, but he used to be one and so his attitude is slightly skewed).