in dungeon meshi , the author created the Reviving System to lighten the deaths , but a faster and simpler way to make money is just looting the money and the equipment of the corpses
Long-term, the best play is to resurrect them. That way they can go make more money and die again. Less permanent deaths means more newbies are encouraged to try entering the dungeon which means more people get killed for you to resurrect. Sustainability is key.
That said, I'm sure some people just loot them and move on. Although I'm sure folk frown upon people coming up with a bunch of extra equipment since it's probably pretty obvious what they did.