From https://xkcd.com/353/ https://xkcd.com/353/ I'm not sure whether to take this as an in-joke (knowing the reference is part of the fun) or poor attribution

From https://xkcd.com/353/ https://xkcd.com/353/ I'm not sure whether to take this as an in-joke (knowing the reference is part of the fun) or poor attribution (credits should be given where they're due).