The New Neo posted on the Great Fires and the Forgetting. We do forget very quickly after most tragedies unless there is some political or cultural reason to hold on. Texas is still recovering from Hurricane whats-its-name, but even most of them have moved on except for the broken things right near them that need to be fixed.
The comment section made reference to Tom Lehrer implying that a disaster isn't remembered unless a song is written about it. Or a movie made or a book written, I suppose. I had never heard of the Edmund Fitzgerald until the song came out. Stories don't live on their own, someone must build them from the scraps lying around.
We are likely programmed to move on. Those who respond by taking in the full weight of a tragedy, the death and suffering, become unable to function. Those who can go on are those who can forget in the service of getting the tasks of survival done. We had friends at Camp Calumet years ago, the husband and daughter killed in a motor vehicle accident in Maine. Speaking to the wife the next summer she said the only thing keeping her alive and functioning was having to get up to make breakfast for the son. After he left fro school every day she had at least started moving, started do, was able to push through the rest of the day.