Not a justification, but an explanation: original AoE2 did not have separate counts by resource type. Look at
So the only inconsistency was with the end-game statistics pages, which also (for example) gave research percentage as a percentage of all techs in the game, not the techs available to that specific civilization.
When they added counts for workers gathering each resource, they didn’t change how the 'villager The video I linked doesn’t have a villager count at the top. So, I don’t know why they made it inconsistent by only counting villagers, and not other workers, when they added it in DE.