Dealing with unfair Google reviews is frustrating, but you are not powerless....

https://www.bookmark-help.win/getting-a-bad-review-removed-from-google-is-possible-but-it-is-not-a

Dealing with unfair Google reviews is frustrating, but you are not powerless. Google will remove reviews that clearly violate their content policies, though success is never guaranteed. The secret to a higher success rate is preparation