Have we not learnt the lesson?
DO NOT FUCKIN' HAVE FAVORITE CHARACTERS!!!!
silly premise. Regardless of whether they keep getting killed off ppl will naturally have favourites. Otherwise what's the point of following a story filled of ppl and situations that you don't care about.
This killing off of characters will weaken the overall power of the story. Yes new characters will always be added but eventually the fans would get tired of it. Killing Ned, Catherine and Robb was bad....but also killing Joffrey is bad for the strength of the show as well. Who will assume the role of the twisted evil fuck that everyone loves to hate? They just killed off everyone's favourite bad guy.
Sure they have the guy that cut off Lord Greyjoy's dick but nobody really gives a rat's ass about him because Lord Greyjoy is himself a cunt. However Joffrey was oppressing and hurting Sansa whom almost everybody feels sorry for and thus HATES Joffrey.
If 90% of the Justice League died AND they killed off Lex Luthor and the Joker I can guarantee that many ppl will not have the patience to see DC keep developing new characters.
Nde, Rob, and Joffrey are three of the most interesting characters the show has. Everybody was impressed with Oberyn's badassness.