Indeed ...

there is indeed a problem with abstruseness, with the many academics who never even try to put their thoughts in plain language. 

(...)

Trying to explain what you’re doing intuitively isn’t just for the proles; it’s an important way to check on yourself, to be sure that your story is at least halfway plausible.

Krugman, claro (que entretanto dá aulas de borla para quem quiser aprender ... por exemplo, aqui)