In my latest campaign the German faction has taken 1 city after 45 years and done nothing else since they can't beat the rebels. The Iberians are pretty much the same except they haven’t taken any cities and currently have 1/4 of a stack of an army with a full stack rebel army next to the city, and not attacking due to the difficulty setting. Even the Sarmations are doing better which is odd. Although granted this is on Medium campaign difficulty (Since I was just punching turns as Casse to see how the world went without rebels bothering me.)

Its quite amusing looking at my starting province. There are around 5 full stack rebel armies standing right next to my city with full stacks in each rebel city on the continent.

Even more odd the Epirus owned 2/3 of Sicily at one point before the Macedonians ended up with one of the cities somehow, before the Romans took it and the Epirus town left rebelled.

PS, I have no idea how to spell the factions names.