Ok, anti-blobbing crowd, explain this to me:
Do you actually want more challenge or do you want the game to be easier for your playstyle? It seems to me that certain people claim they do not want to blob and they'd like to see blobbing become more challenging by introducing mechanics that hurt large nations. If you do not want to play a large nation how would this make your game any more challenging? Ah, the actual reason is that you got your ass kicked by a larger AI nation so you want them nerfed and actually make the game easier for you.
This whole thread started by OP's frustration of huge AI empires that he couldn't handle. Below a few comments that seem more like frustration against AI than player blobbing:
So how in every game, I see a giant Ottoman or Ming or whatever nation getting bigger and bigger without any trouble?
In a recent game versus an ottoman empire that spanned from Austria-Poland to Ethiopia, I was faced with 180 regiments of Mercs, 200k manpower and 250k armies
The problem is how you can have (or the Bot) a huge multi-ethnic empire and still be as stable as Switzerland. It remove the challenge for the more casual play at some point and push people to color paint the map with few to none consequences.
Thats what people are asking for. That blobs in eu4 still face a challenge. Preferably not by having the AI blob like crazy, too. That would destroy a lot of eu4 quasi historical flavor when all minors are gone by 1530.
So instead "high level" (blob) nations need a new challenge.
Then there are the great solutions:
Meanwhile, the real challenge of a big Empire should be from the inside, not from the outside. It should be something that we have at least an echo of in the game, be it like a proposed a Stability cost link to the number of province, an autonomy floor based on the distance from the capital or a global unrest scaling with the number of dev... Or even random event that could scrap the game of people that do not care about the stability of their country and only want to conquer as fast as possible.
Why not a random event that ends the game because an asteroid hit Earth.
I remember somewhere someone mentioning that inflation should increase the bigger amount of provinces you have. Which, I guess, it could make some kind of sense to a certain point.
Punishing larger nations, but as you don't like to blob the punishment wouldn't apply to you.
Hell, I do not ask for the moon here. I simply want a link between the size and the stability. Be it 1% stability cost per province. Just to ''feel'' that it makes sense.
Things like Global Unrest, Stability cost, Inflation, Autonomy that could be link to the size of the empire aren't affected by it.
Again, punishing the other nations but not yours because you don't like to blob, right?
Something that made me think. Whenever a new monarch takes over, the stability drop will be 1 plus a certain value depending on which attributes the heir has lower than the dying king, so it could go from a 1 to 4 drop (or 2 to 5 if he was a general).
More RNG stab hits, seriously?
My proposal is to nerf late-game blobbing. The reason why we see such massive spikes in dev is due to things like Admin Efficiency and Absolutism, which are all plus and no minus(barring the disaster, but it is manageable).
Nerfing Admin Efficiency and Absolutism would only make end game slower, not harder. And it would affect the AI as much, if not more, as the player and wouldn't add any more challenge.
One idea that I saw somewhere else was about Culture. Adding a better mechanics where too many unaccepted culture could, for example, increase inflation/ corruption/ cause random event that convert the culture of other province. And in opposition, having low unaccepted culture could provoke event that switch their culture to your main culture, for example.
More random events because clicking one of two options is a great country management simulator.
The current rebel mechanic spawns only rebel stacks that are pretty much always inferior to your troops, and is simply too easy to deal with, and also too easy to avoid in the first place.
Yet again, if don't like to blob, you will hardly get any rebels. Even if they were to be buffed it would mostly hurt the larger AI nations and not you with your all-accepted culture states.
You have rebels on recently conquered territories, you have occasional event spawned rebels, all who simply cared about a small area with extremely predictable (and lame) movement. but nothing that really threaten your "heartland" like in CK2, where you could basically have more than half of your country turned against you, with concentrated troops similar to your size, that works like an independent country.
Yes, I would really like to play for hours to build a nation and then my ruler dies and my country splits and it's time to play whack-a-mole with the rebels.
edit: You can respectfully disagree as much as you like but if you do not address my points it just proves that you are not frustrated with blobbing or that the game lacks challenge, you have just been beaten by AI.