Game of Thrones sneakily reflects George R. R. Martin’s hatred of war -

"War, then, is maybe, occasionally, just and maybe, occasionally, glorious. But it is always tiring and gruesome and horrible. People will always die, and many of those deaths (even in a just war) will prove meaningless. Blood will spill, and families will be torn apart, and those who suffer most are the peasants and other smallfolk who play at the games set up for them by their lords and leaders."
read article by @Todd VanDer Werff
Game of Thrones sneakily reflects George R. R. Martin’s hatred of war - Vox