Reading through the 1- to 4-star-out-of-10 reviews, I can but wonder; would the frat boys have liked it better if the entire cast was white? Or if 'Murica had somehow survived a nuclear attack unscathed?
As to those who don't know what The Great Filter was, well, we see who the science-fiction fans aren't. That's been a recurring theme since at least the 1950s; if I recall correctly, Ray Bradbury (after whom the ship was named; another broad hint) wrote one of the first, and best, stories touching on the idea.
The (classical) Great Filter merely required that a civilisation reach another planet before wiping itself from the face of its home planet. Several stories over the decades have centred around alien intelligence manipulating a planetary civilisation that is close to being able to pass the Filter, but wasn't in any hurry to do so. Given our own recent history, from the early days of the Cold War to the drumbeat of threatened war against North Korea (the aggressor in this episode), it seems to this lifelong student of history and politics that staging a (possibly limited to the US/NK/Russia) war wouldn't strike any of the in-universe decision makers as unrealistic or particularly unexpected. The initial report said that a handful of NK ballistic missiles were headed towards the US mainland, with Seattle already hit and with one missile targeting the launch complex for *Bradbury* or sufficiently close that the facility was likely to be wiped out. Given the real-world military history and environment of Cape Canaveral, the only real stretch there is that North Korea would have a missile of sufficient range without Russian help. (Maybe that's why Russia was included in the target list for the 47 (IIRC) American ICBMs that were launched in reply.)
In other words, guys, try overcoming your ignorance rather than parading it.