I think you need to read the paper. The blue light they provided was noted as being "similar to a moonless night", and I'd bet that it's a blue kind of light you get under starlight.
Were you there tho? How can you substantiate that they hunted in the way you say? In my experience, humans have very good sight on a moonless night, a full moon is basically daylight and provides no cover, so I think your assertion is false, and you need to spend some time outdoors on moonless nights.
Were you there tho? How can you substantiate that they hunted in the way you say? In my experience, humans have very good sight on a moonless night, a full moon is basically daylight and provides no cover, so I think your assertion is false, and you need to spend some time outdoors on moonless nights.