Maybe it's not pessimism but realism? We're already living in extremely exciting future times, surrounded from all sides by things that the overwhelming majority of people on Earth couldn't even conceive of 10 years ago. Our brains aren't made to handle so much progress so fast, plus there's plenty of outdated thinking as well as outdated infrastructure out there. There's still a lot of modernization that needs to happen in many niche areas, and maybe that's why the predictions in this thread seem pessimistic. To use a SpaceX metaphor, if human progress were a rocket, we're no longer working on the propulsion, we're currently working on the landing pad and system to bring the rocket back to Earth. Less exciting maybe, but extremely important and difficult nonetheless.
