Google’s review guidelines are clear, but enforcement isn't always perfect....

https://aged-wiki.win/index.php/What_Is_the_Best_Way_to_Rebuild_Reputation_If_Google_Will_Not_Remove_a_Review%3F

Google’s review guidelines are clear, but enforcement isn't always perfect. Some negative reviews can be removed if they explicitly violate Google policies like spam, conflicts of interest, or hate speech