Imagining the advertisement for this... "If you didn't get it the first time, you probably won't get it now either!"
There is a theory which states that if ever anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable. There is another theory which states that this has already happened. - The Restaurant at the End of the Universe
Cabin Fever was rocking early on but just totally fudged any goodwill with the overly jokey last ten minutes. ESPECIALLY the closing joke...if they'd slipped that bad boy earlier in the film, they could've got away with it. MAYBE.