The Prince's joke that the Philippines must be empty because half the population work for the NHS was hardly tactful, but it does highlight an important issue: a huge number of trained health professionals are leaving poor countries each year for wealthy ones.
The various levels of corruption, racketeering, protection bribes, sectarian threats and drone attacks have created a cocktail of intrigue and mistrust amongst the Pakistani citizens at best, and murderous behavior at worst! However, justifiable opposition to these problems cannot and should not ever be used to defend the murder of innocents.
There is absolutely nothing that can prepare you for entering the Sanjay colony slum in Delhi. I had never been to India before, let alone one of the largest, most renowned slums in the north east of Delhi.