One can tell a lot about a person by their reaction to Gattaca.  (1) It was a commercial dud, so few will know what you're talking about, and (2) Most people don't see it for what it is. There's just not enough life here - at least not at the surface.  For that 4% of us who do enjoy this movie, we belong to a distinct tribe, and we recognize in this flick a certain kind of intellectual philosophical adventure which is rare and powerful.