Saying 'Maybe' with Precision, Discipline, and a Straight Face
Intelligence analysts almost never deal in certainty. The future is murky, sources are incomplete, and the adversary is not cooperating with your timeline. Estimative language is the disciplined system analysts use to communicate how likely something is and how confident they are in that judgment. Get it right, and you empower decision-makers. Get it wrong, and you could launch a crisis -- or miss one entirely.
In intelligence, 'probably' is not a vague guess -- it is a precisely calibrated statement that you will still get yelled at for.
TL;DR: 'Probably' is not a guess. It is a calibrated statement of uncertainty that took decades of bureaucratic evolution to standardize. Use it with respect.