Believe me, I get the idea behind Assassins but 'The Three Ironies' are written in Assassins codex. I didn't create them. Ironies are taken from official "Assassin's Creed Encyclopedia" published by UbiSoft. Personally after finishing every game from the franchise I think they're absolutely right.
I thought the assassins faith was in the people and they have rules to keep them from destroying the world they hope to save. and try to avoid shedding innocent blood if they can avoid it unless they themselves are attacked by men who fight for they're own honor and beliefs. but thats just my opinion correct me anywhere you'd like.