When reading the title I was thinking of a different concept, but I think that could be Toxic Optimism (or already has a different name): Being overly optimisti

When reading the title I was thinking of a different concept, but I think that could be Toxic Optimism (or already has a different name): Being overly optimistic with regards to the problems/challenges humanity faces, in ways that can stifle realism and may lead others to inaction. Steven Pinker is my example of a person that emanates that.