Actually, ice is also very dangerous. Surround yourself with it for long enough and you'll see. Wood beams, when swung, can inflict great damage. Amazing what a spoon can do. People have murdered with them.
Dumb people use guns because they do so much so easily- just pull the trigger.
Smarter people use arrows, because it takes some talent to shoot one nicely. Actually a real Brahmin basically knows the proper usage and place for everything being quite detached, full of knowledge, and sincere about the good of all. These directives make it possible to handle things correctly always. Guns are not very dangerous. I fear gasoline more than guns.