I have not seen a provision in the law that distinguishes rampant, systemic, or across-the-board workplace problems like discrimination, unsafe conditions at work, or bullying from individual employee grievances. Certainly, individual employee grievances should be excluded, as John and Tom rightly say.
This was snipped out of the Public Interest Disclosure Act in the U.K., because it was creating all kinds of problems with people claiming to be whistle-blowers if their chairs weren't comfortable or their parking spaces were taken away.
I would recommend a study to come up with a definition for rampant, systemic, or across-the-board, employment-related problems. I think the public would be interested to know if we have a company of 500 people, and half of them are discriminated against for a certain reason or are being denied overtime pay, especially if it's in a public institution. I think that should be included.