Articulating the ineffable. Programming language theory 
cognitive psychology. PhD @Stanford
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My reading is their examples don't show actual *problems* with imperative code. They just show how more *beautiful* the functional code is.
I think Backus' comparison provides reasonable arguments for the functional version that don't appeal to aesthetic. He argues about nameless-ness, compositionality, generality.pic.twitter.com/b2tpuYT4SZ
Which can all be roughly translated as “more like math”, which is not such a compelling argument if you aren’t doing math
But that's the point, isn't it? FP is about making programming more like math. It's natural to pick examples from the math domain, where the contrast is most obvious. I guess I'm not sure whether you're against the reasoning or against the choice of example.
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