Probably the most visible example of unintended consequences is what happens every time humans try to change the natural ecology of a place.
These days our senses are bombarded with aggression. We are constantly...
You do have to change things as warfare changes.
The biggest kick I get is to communicate with those who are exiled from the game - in hospitals homes prisons - those who have seldom seen a game who can't travel to a game those who are blind.
