I think rather than ADM being revisited, DIP and Mil should be, in order to make them more scarce. MP points should be an extremely valuable commodity. As OP states, only ADM is at the moment really
This allows the player to choose what sort of game they want. Most of the time I play for historical borders or colonial conquests and I rarely come up against the AE wall so I don't need to vassal feed. When I play that way I also don't consider overextension or coalitions to be a problem.
I thought AE and overextension were supposed to limit blobbing empires, not to encourage you to create blobbing empires through one specific channel.
What's the point of even having AE and overextension if you can deal with it in such an easy way? It's like those mechanics are just there as a slap on the wrist to new players who don't know better.
Centralized blobbing empires, yes. But the point of vassal states is that it's more decentralized with at least the appearance of home rule, even though the vassal doesnt really control its foreign policy.
That's somewhat offtopic and discussed elsewhere but I don't see how you can play the game in a historical way.Well, there are (at least) two ways to play this game. You can play it as a historical nation simulator or you can play it as a map painting conquest game.
That's somewhat offtopic and discussed elsewhere but I don't see how you can play the game in a historical way.
Most of the time you will get your historical borders way before 1600 and then there is basically nothing to do. Conquering, directly or through vassals, is the only option left. So in the end it all comes down to one way of playing.
Once you get to say, the size of France, why do you need more land? What's the point? You can already easily win wars against the entire world. You already have more money than you'll ever need. Resources don't mean anything. Taking land beyond that point provides little benefit. At some point you're just killing your neighbors for no reason at all.
So why do you feel driven to expand? Boredom?