One of the billboards Rodey Piper looks at when he first finds the sunglasses that show him the alien overlords has the subliminal message of “Marry and Reproduce” in big bold letters.
Does anyone seriously believe our current overlords, be they aliens, lizards, or just absolute assholes, would want us to “Marry and Reproduce?” That billboard is the least plausible, most sci-fi part of this entire movie.