The bias of this article is annoyingly blatant. The writer ignores the most common forms of the sport, which look more like a sporting event than war, replete with brightly colored uniforms and colorful playing fields. Reminds me of the "journalism" that abounded regarding video games in the 90's and how they would make everyone want to be a killer, etc, etc.
For reference, this is what the large majority of paintball fields look like:
http://upload.wikimedia.org/wikipedia/commons/f/fd/Speedball...