Din - life is not fair and neither life nor anything else can ever be justified

There is no word in Hebrew for fair.

In response to Moshe's question about Yisrael's suffering, Hashem answered that He causes terrible suffering for all sorts of people. And most of them didn't actually didn't make it out of Egypt alive. What distinguished Yisrael when they cried out to him was their realization that this isn't what life is about, that Existence is incorporative of Liberty and Freedom for people to have and use, and that they were lacking these things.