Water?
Clean Air?
ROI?
Much of the world experiences fresh water scarcity, so it's not the best ethics to divert this resource from people in need to tech of uncertain value.
Check out the impact xAI is having on environment and health in Memphis if you want to go further down the rabbit hole.
Yes, the water isn't destroyed, instead joining the water cycle. But drinkable water is scarce in a lot of places already.