…but that’s because they locked themselves in a shuttle and stayed put? They weren’t out fighting, running and gunning through the halls like you make it sound, they were hiding their asses in a armored locked ship. And also, 30 of them didn’t hold out for 3 months, since by that time there was only six left, with them killing and eating each other just to stave off death from starvation. So 6 did manage to last that time, but it wasn’t through being badass.
Granted, yeah, DT zombies are smarter than WWZ zombies and in enough numbers can learn to utilize blasters and pilot ships and stuff, so, fair point.