All they did was fitting the prostheses on the patient. The people involved only think in existing solutions. The Cambodian context isn't the central point of view. Because of the Pol Pot regime, the people of Cambodia has now knowledge anymore, all educated people were killed or fled. The survivors learned never to trust another.
Own interest is the only interest.
It is not useful to import a western idea in this country. Aid workers give away prostheses for free while soldiers demand money from patients who want to reach the prosthetist workshops. The quality of a prosthesis is mainly in the fit. To increase the durability of the fit, the stump socket is made of relatively hard material. It demands a skill and precision which are lacking in Cambodia.