[archaeolept]

yes - but it is not just a question of the resource cost, but what you get for that cost. The best bogarus hvy cavalry now costs 45 instead of 50, which is nice but no earth-shaker, but has a double 12 pt warhorse hoof attack instead of the single 10 pointer it had before. That's a real improvement in combat effectiveness that justifes plumping points into production.