This is an excellent illustration of the artistic intent behind these decisions (within the limitations imposed by engine capabilities each time).
You have a keen eye Athos!
P.S. One thing which baffles me though, is the elimination of 2d art for the unit cards in the UI. I understand it's a matter of budget, but still, @jomni was able to make it for Sengoku Jidai, and this through all its expansions as well...







