The problem: When they are known, they will attract looters. And local people will totally have noticed those german guys doing strange stuff on this field near their town or might even been employed as helpers by them. When the word is out in a war zone, the time is ticking.

It’s one of those “stick it to the man”-things. People really love to brag about that and in this case it also saves quite a lot of money. People love to talk about how they saved money.