"The leadership was poor and focused on impressing political leaders, leading to disaffected front line staff and poor care."

That may well indeed be the case as you found it within the upper echelons of the top-heavy, over bureaucratic management that exists in today's NHS but it most certainly was not the case with the British Army during the course of the First World War if you compare the size, state and capability of that Army between August 1914 and August 1918.