Last week, legendary futurist Ray Kurzweil gave us his take on the failings of science fiction cinema. Now Nick Sagan, son of iconic astronomer and Contact author Carl Sagan, has his own bone to pick with sci-fi filmmakers. Unlike Kurzweil, he’s got only one complaint, but it’s big enough to cover just about every alien invasion flick ever made.

Sagan’s not only the son of one of the most famous scientists ever. He’s also got some serious sci-fi cred. He’s written three acclaimed novels as well as episodes of both Star Trek: The Next Generation and Star Trek: Voyager, but that doesn’t stop him from cringing at one very familiar thread that runs through just about every tale of alien contact that’s ever graced the big screen. […]