I see what you mean. I interpreted a little differently, as another poster here mentioned in the sense of "avoiding extremes" or overconfidence in general. So a

I see what you mean. I interpreted a little differently, as another poster here mentioned in the sense of "avoiding extremes" or overconfidence in general. So all in all a rather basic notion that people are familiar with from culture, historical events or their own life experience but dressed up in a way that ticks a lot of satisfying mental boxes. But if you interpret it in the way you mentioned then I agree that it's not very useful.