I genuinely don't think you read the linked article. The author clearly is quite good at Haskell and hasn't fallen into this "trap" you're positing. It's not a failure of the "practitioner" at all. It's a fairly insightful point about the psychology of programming and the diminishing returns of the kind of skills we're talking about here.
> you can be quite assured my production code is anything but a mess of functional paradigms inappropriately applied
The point of the article was precisely that functional paradigms appropriately (which is to say, "appropriately") applied are themselves a design smell.
> you can be quite assured my production code is anything but a mess of functional paradigms inappropriately applied
The point of the article was precisely that functional paradigms appropriately (which is to say, "appropriately") applied are themselves a design smell.