Let’s not forget that Littlefinger is an enormous dick.
Many topics for discussion in last night’s episode, so let’s break it down this way. First of all, there’s Daenerys’s justice. Then, there’s Jamie heading off to Dorne, and Dorne itself. Sansa and Littlefinger continue to leave the novels behind. Finally, there’s the titular plot line of Arya in Braavos. One thing they all have in common, however, is that the novels are clearly just source material now and not a guide for the plot. The results of these shifts are, generally, still effective, but there are some places where the original is still vastly superior.