The Camp is for children of atheists, not for atheists themselves. The people running the camp do not know if the children are atheists or not, but will teach them how to think, not what to think.
For example, the camp takes place near a woods. The children will be asked to prove that there are no unicorns living in the woods, and they will get £10 if they do so. This is a valuable lesson on how you cannot prove a negative
For example, the camp takes place near a woods. The children will be asked to prove that there are no unicorns living in the woods, and they will get £10 if they do so. This is a valuable lesson on how you cannot prove a negative