Getting a fake or malicious review removed from your Google Business Profile is...

https://high-wiki.win/index.php/How_to_Master_Discreet_Review_Removal:_Protecting_Your_Brand_Without_the_Backlash

Getting a fake or malicious review removed from your Google Business Profile is possible, but it requires the right approach. Not every negative comment qualifies for removal, but those that violate Google’s specific policies can be contested