"Are you even in the proper position to complain about the Base Leader's order? I'm sure the Engineering Department had it worst." another personnel in the department interrupted. As so many people are working in this factory right now, they could afford to get talkative for a few seconds.
It's not like Victor was around monitoring them to the point they're no different from a slave.
Furthermore, with the level of technology they controlled, the personnel don't even need to be present inside the factory, bearing the heat and noise from the machines.
They're simply required to control the operator robot for precise production and Builder's Frame for heavier tasks. And to make it even better, Zhang Qin Feng was a much better employer. Although they could hardly understand why Zhang Qin Feng was heavily inclined to treat them as humanely as possible.