Not sure I understand the question. You're asking why the expression makes such a big hit with native English speakers, as compared with other people? There's no accounting for humor (well, very little, anyway).
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AvangiI suspect the humor lies in the incongruous juxtaposition of absolute power (having the upper hand) and the sort of impotence of not being able to say the line with true authority. Something like the humor or Colonel Klink in Hogan's Heros (TV series). You think you're in control but we think you're a joke.I agree with this, but would add a