What I mean is like for example, a person having “gravitational pull” or someone making a “quantum leap” makes no sense to anyone who knows about physics. Gravity is extremely weak and quantum leaps are tiny.
Or “David versus Goliath” to describe a huge underdoge makes no sense to anyone who knows about history, because nobody bringing a gun to a sword fight is going to be the underdog but that’s essentially what David did.
I’m looking for more examples like that.
Yeah, I don’t think the phrase “learning curve” has any built-in suggestion, even culturally, to imply that the reasonable default assumption is one way or the other. I only ever heard learning curve to refer to something getting easier after awhile, which is indeed a valid curve