The problem here is We KNOW almost exactly the force of the enemy, (and because the Generals/Marshals and even Heroes are irrelevant... ) So when a small but strong force defeat a big but weak force, we know before the battle the relation of forces... and we know the small force had the upper hand!... So, no surprises here...
Is very strange that to know what is doing our own army, in the same region, we MUST use a scout... but even more strange is to send a scout to the enemy army and KNOW every unit and very accurately their strength.... THE SAME INFORMATION, AND EQUALLY ACCURATE THAN THE ONE ABOUT OUR OWN ARMY?
IMHO for a scout of enemy armies a approximation to the number of men (and only MAYBE a estimation of their quality) would be enough!
400-600 (average) Infantrymen, 200-300 (weak) archers and 100 (light) cavalry.
The cost for making your own troops appear weaker/stronger on scout reports was adjusted downward sometime in the past year. People simply don't use that as a frequent tactic.
