Because you will end up with repugnant narcissists with Napoleon Complex like Sepp Blatter. The man is clearly insecure about his height, having brought it up on two occasions unprompted in the first episode alone and lying about his actual height (he says he is 5'7" but he is arguably only around 5'3"). Imagine letting yourself be tormented by a lack of height your entire life regardless of wealth and status. While his contribution to this documentary was useful in portraying just how delusional and self-serving he is, much of it was not relevant to illustrating the corruption happening under his presidency within FIFA.
The FIFA story is just an example of what is happening across the world in companies, corporations, governments and countries. Corruption is inevitable when you have unsound people, who are narcissistic, psychopathic or Machiavellian, pulling the strings at the top. They are the ones who are ambitious and unscrupulous, displacing their good-natured and righteous opponents. The unsuspecting public are also often swayed by their empty promises and false image. To mitigate corruption, first know the enemy and stop giving them a clear path to unfettered power.
