Eh, I'd defer to them over some rando on the internet who's only seen a video that shows a short snippet of what went on.
The best anyone here can do is screech about not following the default suggested practice of leaving the luggage but the person who took the bag was actually there. Perhaps they had to pick it up because it was on the floor (ceiling) in their way. Not much harm in carrying it if it's something that small anyway.
I’ve realized that fires are a way bigger issue than you might imagine after a crash — things can go south really quickly. Multiple stories of planes going from “fire outside” to “people suffocating and burning to death in their seats” in minutes. Here’s one of a 737 in Manchester, taxied of the runway intact, 55 people died: https://admiralcloudberg.medium.com/fire-on-the-runway-the-m...
I might have taken my laptop bag in such a case out of habit before reading these stories, not so much now.
The best anyone here can do is screech about not following the default suggested practice of leaving the luggage but the person who took the bag was actually there. Perhaps they had to pick it up because it was on the floor (ceiling) in their way. Not much harm in carrying it if it's something that small anyway.