Sorry
Should we perhaps ban knives because they sometimes are used to kill?
How about cars?
Perhaps Sticks?
Guns are tools just as any other tool.
They have no feelings.
They have no free will.
They are an inanimate object, the same as a knife is an inanimate object.
You cannot hold an inanimate object “responsible” for anything.
However you can hold the operator of an inanimate object responsible.
However I do understand that those who wish to wage war on personal responsibility would want to focus on anything other then those truly responsible.