I use exceptionally sound logic, grounded in Scripture, that includes the knowledge of man. The issue continues to be that man's knowledge doesn't go as far as was commonly thought, and taught.
It is my experience that a different nature in the past fits all evidences. If we look at Egypt for example we see this holds true. Early Egypt would likely have been shortly after Babel (the time of the change of laws). Some implications of this change are much much shorter lifespans. People dying much sooner would be something that may have deeply impacted the psyche of the people living at the time. What do we see in history of the time? We see great focus on death and dying, and the dead...tombs, pyramid tombs etc. Seems to fit a changed state. What else? We see that great stones were moved in building of some structures. That fits a fundamentally different nature where it may have been mush easier to do so! We also see that early populations abandoned farming in many areas basically for some reason, if I recall, moved to other areas, and ways of life. No? If so, that fits also, because plants grew so fast in the former state, but not in this one. Changes of this sort would be required. How about the results of the populations having different tongues, rather than all the world just one language? It makes sense that they would resort to pictures to communicate, especially perhaps to those of other languages. Again, it fits the evidence!! How about the spirit god kings they record in the very early years of Egypt? That fits like a glove also, because even at Babel, they apparently had some sort of spiritual abode not all that high up from the earth. Remember the tower of Babel, where they tried to build up to it? After the nature change, apparently angels and spirits were a lot more separated from the physical plane of man!