Dealing with unfair Google reviews is frustrating, but you aren't powerless....

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

Dealing with unfair Google reviews is frustrating, but you aren't powerless. Some reviews can be removed if they clearly violate Google’s content policies. While results vary, your best shot at success is building a strong case