On the contrary, "There is a beneficient, omniscient plan" seems like the cruel lie to me. Life IS chaotic, and it is the role of mature adults to cope with that, and be as kind as we can be to each other.
First Corinthians 11:13: "When I was a child, I talked like a child, I thought like a child, I reasoned like a child. When I became a man, I put the ways of childhood behind me."
If you're a grown-up, you're ready to stop believing in Santa Claus.