That is a valid argument. However, conservatives refuse to make any connection between the tool, the wielder, and the fact that the tool is designed to make the job easier. Whether it be hammering a nail or killing people as quickly as possible. Usually followed by taking the absurd and hyperbolic argument that baseball bats or cars kill people too while ignoring that cars are specifically designed to avoid causing death and baseball bats are for sport with no intent to maximize harm like bullets or blades.