Knowing that a probability has doubled doesn't strike me as particularly useful here. If it doubled from 1e-6 to 2e-6, then it's still almost certain that it wo

Knowing that a probability has doubled doesn't strike me as particularly useful here. If it doubled from 1e-6 to 2e-6, then it's still almost certain that it won't happen. If it went from 0.5 to 1.0, well, that's a different matter entirely....