I have had issues with depression all my life, and it's probably true to say there was a tendency towards it even when I was very young, during my schooldays. There was often - and this is quite common with comics - a sense of not feeling as if I belonged anywhere.
In World War II the hostility and the exasperation resulting from the statification of the economy and the strain of the war have been directed as much against the government as against private capital.
The best defense against these people is to educate parents and children of the dangers that come along with the Internet and by limiting access to certain sites during the school day.