The Muslim leaders swallow the advice of the Western powers and bodies like the IMF and World Bank, even when it is bad for their countries and they know this.
As a matter of fact, the African Union itself estimated that every year corruption alone costs Africa $148 billion. If African leaders could cut that in half, they'll find more money than what Tony Blair is trying to raise for them.
We must not fall into the trap of projecting our own morality onto the Soviet leaders. They do not share our aspirations, they are not constrained by our ethics, they always consider themselves exempt from the rules that bind other states.