As soon as he let go, the zombies would rush over, and there was no telling how many casualties there would be! At this point, because the group was scattered, he simply couldn't discern who was ally and who was not; he could only save everyone he could before sorting things out.
Fortunately, the others were smart enough not to be foolhardy and run out screaming in refusal to leave; they all treasured the opportunity to escape that he had fought for and desperately surged onto the truck.
While Qiu Yiming could hold off zombies from one direction, he was unable to fend off all the zombies. As the mercenaries scrambled onto the truck, many were grabbed and wounded or killed by zombies coming from other directions.
Guns blared incessantly. No one cared about conserving ammunition at this point; everyone fired wildly at the zombies, hoping to kill as many as possible.
