"Correct. They brought the spear. They had other weapons as well."
I marvel, as I remember my sons making bows for themselves from materials scrounged around the house, from around the age of five or so.
It boggles my mind: how could intelligent men go so many millenia (100 or more?) without that particular light bulb coming on?
Some things are obvious. For example, the garbage disposal is pretty obvious. Installing it less so.