User blog comment:Master Sima Yi/Assassinews 05-08-'14 – Assassin's Creed: Rogue announced/@comment-89.142.72.92-20141020153716/@comment-13471981-20141020181044

Exactly. If "You made me slaughter innocents!" is one of the reasons Shay abandons the Assassins, it would be far more logical for the "this ancestor did not kill civilians" shtick to stick around.