Since they had no other options, Mrs. Hua had been yelling from the beginning to the end, and many people couldn't help but start to stand up and speak to the manager:
"If it's going to be this noisy here, then don't blame us for complaining directly. Look at the quality of your waiters, I also feel there's no need to come here anymore. You can go explain to your boss yourselves, I don't care about these matters anymore." Many said this and then turned to leave.
Mrs. Hua looked particularly smug, thinking that if they didn't keep her there, they deserved the scorn and hatred from these people.
This had nothing to do with her at all, it was all the manager's fault for not wanting to stand up for her when she had been serious about her work before. If they didn't want to, then don't blame her for ruining everything.