It's a shame the excitement is going to end soon
I got bored and had a look through their family gold: very low. Almost all characters there have under 1.2k family gold, there are just 2 characters with over 2k. The lowest family gold being in the families of the initial rebels (Florence, Medicant, etc). So they won't be able to call on that gold for much longer. Their regions are in a pretty bad state from what I know, so not much gold there either. My guess is that the recent attack was an "all or nothing" attempt at pushing us back to Madina city which failed.
From a Madinan perspective, I'm pretty glad they didn't win. Having to march from Madina city up to The Tower would have been a disaster. From a gameplay perspective, it would certainly have added a bit more fun to have to fight them back (likely we'd have taken back the Madina Isle too which could have been fun).