The only direct CC that is actually worse than iron hook is telepath, since telepath leaves you vulnerable AND makes your target unable to damaged by your team.
Here was the OP’s educated complaint about iron hook in the OP, which you are defending:
Corsair’s Iron Hook is even worse. 19 second stun is ridiculous. Fixxxxxxxxx
Do you agree with this thought provoking claim? Especially when it comes from literally Flavor of the Month Kino3?