We have updated our Community Code of Conduct. Please read through the new rules for the forum that are an integral part of Paradox Interactive’s User Agreement.
You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.
That's my reasoning as well. But wouldn't it be better to allow them to take the fort, and then kill them if they march into your country?
I know that's what I do when I see rebels.
IIRC a province being controled by rebels gave revolt risk to all neighbouring provinces in Vicky. I've looked in EU3, but I don't see that effect. Maybe it's still there but not listed, or it was there when the AI was coded but has since been removed.