At least campaigns and casual games should have a lot more variety of options to differentiate it from competitive mode. (If they supposedly thought of casual and competitive gamers as you have suggested.).
Imagine a menu where the following settings appear for a casual game:
Minor factions on the map: Activate/Deactivate.
Support of the capital (Cards): Activate / Deactivate.
Mercenaries and Outlaws: Activate / Deactivate.
Treasures on the map: Activate/Deactivate.
Relics: Activate/Deactivate.
If the game is supposedly designed for all types of AOE players, they should have kept this in mind.
In addition to largely ignoring players who play other games other than AOE-2, they also largely ignored casual gamers.
The campaigns are not very replayable and there is not much emphasis on this. (Besides the documentaries there is not much more to be desired). I know the AOE-3 campaigns aren’t that popular because they’re fictional, but I think it’s a good story. Here I explain my opinion: