Is It Cruel Optimism to Discuss Joy and Healing in the Climate Emergency?

Is it cruel optimism to hold the hope of joy and healing in a time of Climate Emergency and other planetary ecological, economic, and social crises? Cruel optimism is a term coined by Lauren Berlant, and used by Johann Hari, author of Stolen Focus, to describe a focus on individual responsibility that trains people to adjust to a morally unjust social system. Some self-help advice out there is a perfect example of this. Is this also true of the Climate of Joy podcast? 

Link for all who listened to the end: https://vimeo.com/817805424