User blog comment:Master Sima Yi/Assassinews 25-03-'13 — Assassin's Creed IV: Black Flag gameplay trailer/@comment-3194582-20130415144253/@comment-4519956-20130422163631

I think this has more to do with fans reactions to ACIII. No Creed and no Brotherhood gave a lot of fans (me included) a disconnected feeling towards the game. It didn't feel like Assassin's Creed. Some people are worried the same thing will happen with ACIV.