I had to rewatch this a couple of times from different perspectives to see why the hell my side didn't fall, and oh WOW did izi have a massive gamethrow moment. At around 6:50 he could've forcibly taken out my entire army through some sacrifices, letting indy's units walk into my base. This would've forced both Manu and squig to focus on my side, and more than likely caused a disastrous balance shift in the overall situation.