First, they had signed contracts with a third-party company; if they didn't act early, the project would be unrecoverable.
Second, resuming work and production was merely their own subjective idea. While there was nothing wrong with doing so, during this period many workers had been unable to make a living and had chosen other jobs. If they wanted to return to the previous state, it would probably take extra time and effort.
Right in front of everyone, someone directly voiced their inner concerns.
Chapter 1167