Hey, come on you posted this barely 5 hours ago... It's 1 am where I live, so logically some people are asleep. Give people time, since we're on a forum. And you already got some replies...

On topic, it would be nice if it worked that way, but I think it's not going to happen. If I recall correctly (and I'm not sure of this since I haven't been paying enough attention to the ETW previews) there are only 10 playable factions. If you included revolutions working like you propose, that number would not be accurate at all.
I think what that feature will be is a kind of civil war thing. Kind of like the War of Secession in America, but based on governmental ideals.