[tiagod]

> On the other hand, someone doing the work to find coins seems better than nobody doing that work and having them lay in the ground.

Taking the coins from the ground isn't the important part, its the scientific analysis in context that provides insight into the place's history. A coin in itself doesn't tell much, a lot of the same were probably found before.

It would be better for the sites to be explored properly later on. If it was a first come, first serve kind of thing, there wouldn't be anything left for future technology.