The fact is that most major clans desperately need level 12 to get back the clan members that got booted with the update.
After the initial crp boost from "Achievement" clan quests you are stuck with 20 "General" clan quests per week. After you reach the 20 limit you are blocked from doing general clan quests until next maintenance. This is a cap that NCwest put on our servers; about 3000 crp (20x150) per clan member per week.
For clan level 12 you 19 million crp. That means that 100 clan members need to contribute 3000 crp each per week for 63 weeks straight.
Well, that's just