But we do know because thousands of hardworking scientists have devoted their lives to answering this question.

If you want to have fun speculating wildly then be clear that this is what you’re doing and don’t frame it as things that “will” happen.

Sorry this is a pet peeve of mine because I think it feeds into a paralyzing pessimism. People need to understand that we aren’t doomed to feel like they can work for a better future.