It is a leisure activity for him. He has money. My dad hunted for a leisure activity. Americans go to a shooting range for fun. They also have guns to protect themselves.
You don't get it, Britain and Ireland are manicured, nil dangerous animals. In America there is the wild. if you go in the woods you need to know about poisonous snakes, spiders, bears, moose, cougars, etc., depending where you are. And you need to be equipped and prepared or you could die. British people seem soft to me.