Getting a negative review removed isn’t as impossible as it seems. Google has...

https://wool-wiki.win/index.php/The_Ghost_of_Reviews_Past:_What_to_Do_When_a_Removed_Google_Review_Reappears

Getting a negative review removed isn’t as impossible as it seems. Google has clear policies against spam, conflicts of interest, and fake content. While not every request is successful, your odds improve significantly when you provide solid documentation