Has anyone ever actually beat the boss battle? We keep getting screwed trying to shoot the 2 final panels. Like it seems totally impossible. This is with 4 coordinated players. What exactly is the point in upgrading the Protobuffer if they aren't useful on the field anyhow?

The map is beautiful, The "quests" are great, The boss fight is what kills this map for me. I get that boss fights are supposed to be challenging, but its seemingly impossible. I'm just really sad. Helpful advice from devs?