A better response would be “Yeah - so what?”.
They make it possible for my 87-year-old widowed mother, and others like her, to efffectively defend themselves from those more powerful, more numerous and less-principled than themselves.
Absolutely. The fact is, firearms all trace back to those first used for military purposes by the ancient Chinese. In that respect, yes, guns were all derived from something designed to kill. I doubt that the Chinese couched the matter in terms such as "projecting force from a distance", they just pointed it at the enemy.
Many "sporting" firearms have their design roots in military weapons. The '98 Mauser inspired the Winchester 70. The M-16 morphed into an endless variety of sporting versions.
So what? It all depends on how *people* use those intimate objects.