Correct but inactionable is useless. It's basically undeniably correct that our universe will eventually die of entropic heat death. This isn't useful, though.

Correct but inactionable is useless. It's basically undeniably correct that our universe will eventually die of entropic heat death. This isn't useful, though. Projections about Earth's global warming are undoubtedly less correct but far more useful because they are actionable. Correctness is not synonymous with usefulness.