Responding to Fidel Castronaut, you make my point very well. An expert may evaluate textual evidence based on conventions and markers, but a celestial sighting or geological record (strata) will always trump the text. Geological strata would have recorded a world-wide flood.
Once there was a Greek philosopher who, by persistently asking questions, was nicknamed the "Gnat of Athens". By his example, all of us may challenge our core beliefs from time to time.