I mean... I'm with the civilians on this one, they had no reasons to think they had to evacuate urgently, scouting ahead and securing a route would have been the more sensible choice.
The guy is actively harassing MC, he fucked with his family and friends, if you want to be left alone, and someone is actively preventing, that you deal with that person.
Yikes so they went with the memory loss cheap out huh? If the last few chapter had been more focused and not have such a predictable and lame plot device as an ending (and not a fucking 12 pages last chapter) this could have been so peak.