Probably because of the recuring members ;)

Apart from my usual disagreement to removing naval trade - that we have exhaustively discussed in a number of occasions - i am not sure about all others being elites. I waas always thinking of a more gradual progression between levies/militias, middling militias/faudal troops and elites (guards, knights etc), with the most units falling in the middle categories and tapering out in the extremes (low and high morale). An average morale of about 2-4 per army stack would be could enough in my perception; that is have routs if one engages unskilfully, but have solid melee if one does engages properly (correct match ups). This, however, may be understandably not popular with mod players (and mod makers) that shoot morale to the stars ending up with long hard fought melees no matter how unskillfuly one engages. I dislike this, admitedly, because its both unrealistic and bad for gameplay - miitias holding off elites until the player can flank them with cavalry is a mistake in terms of tactics and should be punished.

Another thing to add to your list is the very high base armor between eras. It has about 2-3 armor points difference (faudal knights=4, chiv knights=7, late royal knights=9). This is clearly to make the new unit still useful in the face of upgrades - if say a player has build a level2 armory that adds +2 armor points to the feudal knigths, now at level 6, then the chivalric knioghts are still worth it, since they are introduced at armor 7.

However, this has many disadvantages.

One is that the MTW maps are way too large for the vanilla unit speeds, which results in fatigue being a very important factor. Adding armor adds to fatigue and that makes it even worse to play battles as armies literally get exhausted with a few ups and downs on the map. This is all the more worse if one is playing with small unit sizes (40-60-80), because that increases the number of stacks in the camp map and battles become very lengthy affairs. Its relatively ok if you play in huge though - i do and reccomend that, and i know that Caravel does too.

Another and far more important is that archers are litteraly made useless and crossbows and arbs are made indispensible. Archer fire will make a relatively small impression with units that pass armor level 6-7. Last and not least, melee is again overextended and match ups are skewed.