You can't reason with people like this. They have some form of madness that is destructive to civilization. They are a modern version of locusts, some plague sent to punish or destroy a nation.
There was a time when we could trust our children with rifles. Now we can't even trust our adults with children. People like that facilitated and encouraged that massive change in our culture.
I can remember taking 410's and 22's to school, putting them in the coat room, and going rabbit hunting on the way home, after school.