I am quite sure that it's intended. They will not attack your caravans only. Download Morgh Editor, select your Perisno 0.9 module, go to the faction menu and well do what you want. Here are some links: version 1.4: https://www.mbrepository.com/file.php?id=1798; version 1.5: https://forums.taleworlds.com/index.php/topic,105928.msg8806933.html#msg8806933.
Here is a simple guide concerning its usage: https://steamcommunity.com/sharedfiles/filedetails/?id=794409665.
P. S. I have downloaded and used only version 1.4 so far. I have just discovered the existence of version 1.5.
Here is a simple guide concerning its usage: https://steamcommunity.com/sharedfiles/filedetails/?id=794409665.
P. S. I have downloaded and used only version 1.4 so far. I have just discovered the existence of version 1.5.