It's not a resume driven development but a proper allocation of personal time and skills planning for the future. What's the point of learning something you won't use in the future? If for the sake of learning then there are a lot of better choices.
Just don't base your choices on the spreading of ignorant memes.
Would you want to pass on Lisp because of the ramblings of a rookie web developer with no Lisp experience? That's what you might do if you believe the "Lisp Curse".
