There's a difference between an injustice somewhere in the world completely unrelated to oneself, an an injustice one witnesses and doesn't say something (e.g.

There's a difference between an injustice somewhere in the world completely unrelated to oneself, an an injustice one witnesses and doesn't say something (e.g. discrimination) or an injustice one is part of and does not change anything (e.g. climate change if one lives in a wealthy country).