Why didn't I think of that?

That rigid approach just kills any chance for a good creative partnership.

Oh man, that's actually a great icebreaker. It works because it's not about putting someone on the spot, it's about sharing a common, funny frustration. I've used something similar: "What's the most obvious thing a customer or client has ever had to explain to you?" It does the same thing. It makes everyone realize we all have moments where we miss something simple, and that shared laugh cuts the tension fast. The key is picking a question that points at a shared experience, not at any one person in the room. It gets people talking without making them feel judged.