Whenever I hear that brought up as an argument, I recommend listening to what Jim Jefferies had to say about gun control. Despite Jim Jefferies being a comedian and phrasing his arguments in a comical, comedic way, I've yet to see anyone give a convincing counter-argument, especially to the "you're bringing a gun to a drone fight" part.

Jim Jefferies on Gun Control, part 1: https://www.youtube.com/watch?v=0rR9IaXH1M0

Jim Jefferies on Gun Control, part 2: https://www.youtube.com/watch?v=a9UFyNy-rw4