People are unjust to anger - it can be enlivening and a lot of fun.
Literature isn't a moral beauty contest. Its power arises from the authority and audacity with which the impersonation is pulled off the belief it inspires is what counts.
Obviously the facts are never just coming at you but are incorporated by an imagination that is formed by your previous experience. Memories of the past are not memories of facts but memories of your imaginings of the facts.