Getting rid of a fake or policy-violating Google review feels like a mystery,...

https://blast-wiki.win/index.php/Can_a_Former_Employee_Get_a_Google_Review_Removed_if_It_Is_Harassment%3F

Getting rid of a fake or policy-violating Google review feels like a mystery, but it is often possible. While results are never guaranteed, Google does remove reviews that break their specific content policies