Getting a bad review removed isn't always easy, but it is sometimes possible if...

https://www.scribd.com/document/1017578875/Do-Timestamps-Matter-When-Reporting-a-Google-Review-196479

Getting a bad review removed isn't always easy, but it is sometimes possible if the feedback violates Google’s specific policies. While there are no guarantees and outcomes vary by case, you can improve your chances significantly by being prepared