More links to extensive, analytical criticisms of GOT from the delightful Fandom Following I have just found.
http://www.fandomfollowing.com/the-sexism-debate-about-game-of-thrones-is-anything-but-crushed/
http://www.fandomfollowing.com/an-open-letter-to-game-of-thrones-and-entertainment-weekly/
http://www.fandomfollowing.com/sansa-stark-abuse-and-the-treatment-of-women-in-a-song-of-ice-and-fire/
http://www.therainbowhub.com/jeyne-poole-and-bad-storytelling-why-we-need-to-stop-making-excuses-for-gratuitous-rape-scenes/
http://www.fandomfollowing.com/1691-2/
https://pawntoplayer.wordpress.com/