It is a joke about the tendency of archaeologists to classify everything they find as being either part of a garbage dump (aka a midden[0]) or as some variety o

It is a joke about the tendency of archaeologists to classify everything they find as being either part of a garbage dump (aka a midden[0]) or as some variety of religious artifact [1]. [0] https://en.wikipedia.org/wiki/Midden https://en.wikipedia.org/wiki/Midden [1] See discussion here: https://en.wikipedia.org/wiki/Archaeology_of_religion_and_ritual#Material_correlates https://en.wikipedia.org/wiki/Archaeology_of_religion_and_ri...