The ability to perform a rollback or restore on a specific event instead of trying to construct a hyper specific command. IE when a group of items were dropped in the same place at the same time as the result of a death, but you just need to affect one or two of the items.
Maybe there could be a way of interacting with the entries with their database index?

What?

Like, if you were to die and drop a dozen items at once, all of the item drops would be logged at the same time and location. You couldn't get a command to target one netherite pickaxe that was dropped over another even though they're all listed and logged individually.