A possible concise summary is:
This is a summary of a video from Defeating Movies, where the narrator explains why the viewers would not survive the movie "Final Destruction: The Last Refuge". The movie is about a family of three who are selected to go to a shelter before a comet hits the Earth and causes a mass extinction event. The narrator points out the flaws and inconsistencies in the movie, such as the unrealistic chances of the family finding each other, getting on a plane, and reaching the shelter in time. He also criticizes the characters' decisions, such as leaving their son's medicine behind, hitchhiking with strangers, and exposing their identification bracelets. He also questions the logic of the government and the media, who kept the comet's danger a secret until the last moment. He concludes that the family was very lucky to survive, but most people would not have the same fate. He then invites the viewers to watch his other videos and comment on their opinions.
Here are the key facts from the text:
1. John is an engineer who builds skyscrapers.
2. A comet called Clarke will pass close to Earth.
3. John has a son named Nathan who has diabetes and uses an automatic insulin applicator.
4. John and his ex-wife Allison are separated.
5. John, Allison, and Nathan are selected for emergency transport to a shelter.
6. The comet's fragment lands near Tampa, causing a shock wave felt 2,500 kilometers away.
7. John, Allison, and Nathan are refused entry to a plane because of Nathan's illness.
8. The family is eventually selected for a shelter.
9. They must reach Robins air base by 9:45 pm with identification sent via SMS.
10. The family encounters various obstacles on their way to the shelter.
11. They witness societal breakdown and chaos as the comet approaches.
12. The family makes it to the shelter just before the largest fragments of the comet hit Earth.
These facts summarize the main events without including any opinions or subjective statements from the text provided.