They finally took offense to being hacked apart, yes.

[He hisses through his teeth with annoyance. Very inconsiderate of Meatmentos, really.]

The tunnels convulsed and forced me out. I emerged to see this large fissure, [he gestures back the way he'd originally come,] and if they truly are means of communication, I heard through them that Raihan-san saw them spread across the known areas. I assume the two are connected.