I was reading up about port Arthur today actually SF, that guy was proper bonkers!
This has been doing the rounds on social media recently in case you missed it,JJ nails it IMO.
Thing is I remember Bill Hicks doing material on gun control over twenty years ago, that little has been done despite a multitude of massacres since defies logic.
310 million is a staggering figure, it's just mental. I don't accept that it's not possible to take them out of circulation, but it would take a few generations.