We owe the world and it's lesser life forms absolutely nothing. The Almighty has created and given to us the entire world and all it contains for our sustenance and enjoyment.
TAT is dead on--Guns are the ultimate proof of our nearly divine state, proof that the Almighty loves us above all other things in His creation.
The Almighty works in mysterious ways His/Her wonders to perform.
One can only surmise about why He/She waited so long to provide guns for Creation??
Maybe it would have messed with the survival of the fittest, or perhaps personkind had some lessons that needed learning before reaching dominion over all things.
TAT