Repeating myself but "no one can save Westeros because the system bad" being such a popular buzzword/enlightened political take makes me insane to this day because it is literally so fucking dumb. It dismisses every single choice our main characters ever made, rebranding them as pointless, futile, naïve or self-interested when asoiaf's main theme is precisely the gravity, impact and responsibility of individual choice. Yes there is a system and yes characters are often crushed in it but their individual choices are always at the very center of the narrative. You are talking about a book series that became famous for its POV structure, for the love of god. "The only thing worth writing about is the human heart in conflict with itself" like here is not the place for pseudo-marxist think pieces. I do understand that your investment in asoiaf starts and ends in a pretty princess getting her happy ending (preferably with a pretty prince) in her pretty castle but it would be more authentic to just say so instead of trying to discredit characters that both can and are actively trying to save Westeros at a great personal cost.
Also, GRRM has explicitly said that his main interests are not political systems or historical processes, but in individual choices, that he believes in the "heroic school" that says history is shaped by individuals and their choices:
NG: A Song of Ice and Fire has much of the complex texture of authentic history, both generally and in its specific echoes of actual historical episodes. What laws and principles (if any) in your view govern human history, and how has your understanding of historical processes shaped the series? GRRM: Historical processes have never much interested me, but history is full of stories, full of triumph and tragedy and battles won and lost. It is the people who speak to me, the men and women who once lived and loved and dreamed and grieved, just as we do. Though some may have had crowns on their heads or blood on their hands, in the end they were not so different from you and me, and therein lies their fascination. I suppose I am still a believer in the now unfashionable "heroic" school, which says that history is shaped by individual men and women and the choices that they make, by deeds glorious and terrible. That is certainly the approach I have taken in A Song of Ice and Fire. (source)
This isn't to say that GRRM doesn't care about political systems at all or that we shouldn't discuss them, but his focus is clearly on the individual character choices, and he does believe their choices matter and can make real changes.
