Julia is angry and acts cynical because the human world rejected her and she got thrown into the vampire world that's even more harsher and she still isn't accepted either. she doesn't even form any meaningful opinion about her role or place in the vampire world. She just regurgitates her own self-pity and bitterness. After being embraced by her sire Caren and forced to fend for herself, Caren destroyed Julia's career and social life as part of the Clan's ritually hazing prospective Embraces.