Once you allow yourself to identify with the people in a story, then you might begin to see yourself in that story even if on the surface it's far removed from your situation. This is what I try to tell my students: this is one great thing that literature can do - it can make us identify with situations and people far away.
Arrogance, ignorance, and incompetence. Not a pretty cocktail of personality traits in the best of situations. No sirree. Not a pretty cocktail in an office-mate and not a pretty cocktail in a head of state. In fact, in a leader, it's a lethal cocktail.
With Pantera, we lived through so many trend-of-the-day situations - when grunge was huge, we were still a heavy metal band; when hip-hop started getting incorporated into metal, we stuck to our guns and remained a heavy metal band very purposefully.
Letting go helps us to to live in a more peaceful state of mind and helps restore our balance. It allows others to be responsible for themselves and for us to take our hands off situations that do not belong to us. This frees us from unnecessary stress.
If you are neutral in situations of injustice, you have chosen the side of the oppressor. If an elephant has its foot on the tail of a mouse and you say that you are neutral, the mouse will not appreciate your neutrality.