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

https://www.pawn-bookmarks.win/getting-a-bad-review-removed-isn-t-magic-but-it-is-possible-if-the-feedback

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, like spam or conflicts of interest