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

https://technivorz.com/can-i-get-a-review-removed-if-it-mentions-events-that-never-happened/

Dealing with unfair Google reviews is frustrating, but you aren't powerless. Some reviews can be removed if they clearly violate Google’s policies, like harassment or spam. Keep in mind that outcomes vary and success isn't guaranteed