If retaliation occurs or if the owner is involved, consult a lawyer, especially if it involves violating labor laws or creating false documentation. Key Considerations
Retain written proof, such as emails or notes in the employer’s handwriting, of any illegal requests.
While some employers might threaten a bad review for an ex-employee, that is not an illegal threat, but false statements costing you a job can lead to a defamation lawsuit.
“The entire system of reviews is flawed... So burn the system. Destroy it all. It's corrupt and needs to be destroyed.” Reddit · r/SEO · 12 years ago