Factors
Ignorance: sometimes people only know a few good camps. If none of those camps are open, they feel justified in "crowding" a camp.
Also many people do not realize that holding a mediocre camp alone is often times more productive than fighting competition at a excellent camp.
Morality: This factor is too long to explain. It requires that you understand how human beings relate to morality.
For a short crash course, visit this link http://www.baylor.edu/content/servic....php/25042.pdf and keep wiki open on an extra tab to look up all the terms you don't understand.
If you make it through all 24 pages i think you will have your answer, as well as a greater understanding of why people do what they do.






