So presumably you aren't ok with Northern lords proclaiming a bastard and Sworn brother of the Night's Watch King in the North either? Because Rob's will isn't in the show.
I thought Robb wrote a letter in Series 2 or early Series 3 but maybe I'm wrong. I also think theres a big difference between Jon who people see as avenging his father (even if we all know he isn't) and taking Winterfell back from the family who wrongfully took it and tormented half the region, is very, very different to the offspring of the rightful lords brothers children with various women. Had Jon as openly Lyanna's son murdered Ned and the Stark children would the North have gathered around him?
@harshad - He gets knocked eventually and then kills 2 more men if I'm not mistaken. He also kills many men in the battle of the blackwater vs Stannis. While he's certainly no Jaime he is no slouch in those battles either and given his lifestyle and stature he'd hardly be in the shape to openly cut down knights, soldiers etc...
Given how Tyrion is introduced in the books as waddling, cramps etc.. its a huge contradiction on George's part albeit I suppose necessary to tell both battles as some major player had to be there.
I also read somewhere GRRM said himself that he regrets Tyrions battle skiills.
@fishfingers15 - The world building is good, but Dany does nothing for 2 books except try being a lesbian and mess up running Mereen.
FAegon is interesting but its obvious he's filler, like returning to the II for the Kingsmoot. They are nice for world building but don't drive the story very much.
Quentyn and Dorne in general. Brienne goes on a lovely yet boring trip around the world that accomplishes feck all and right when you think she finally dies... turns out George hand't the heart to kill her.
Lady Stoneheart.
They all may play apart but I guarantee the end game will all be about the characters from the fist 3 books.
George wrote himself into such a big hole, he still hasn't written himself out of it. Not all those books are drivel but lots of it was padding because he seemed at a loss on how to finish the story. Initially he had planned to get it done in 3 books and got carried away with his approach (he's also not the only fantasy writer to do that, take a bow Robert Jordan...) and built a brilliant and unique fantasy world but he also make so many cliffhangers and built so many subplots he seems at a loss to get it finished.
I can assure you I read the books long before the tv show, well those that were available to me and had the same issues.