So few of these hi-concept lo-budget sci-fi films succeed, it is important for both critics and viewers alike to honor those that pull it off. That said, to argue that the brilliance of the film lies in its ability to leave the viewer with weighty thoughts afterwards is to miss the joy and compassion of the film in real time. Not Marvel. Not even especially commercial. But, for what it is, flawless. ((Designated "IMDb Top Reviewer." Please check out my list "167+ Nearly-Perfect Movies (with the occasional Anime or TV miniseries) you can/should see again and again (1932 to the present))