What about unions? Essential but usually unimaginative. To have such power and resources, then regularly squander them on petty, predictable scripts. I see hopeful glimmers that Next Gen teachers will change that.
I wouldn't call them essential; perhaps "sometimes useful" would be more accurate. Of course, that utility declines the further you get from the individual member (e.g., the state and national unions). With the exception of that one word, though, her answer is a welcome one.