Google Business Profiles Bug Resurfacing Removed Reviews
Briefly

Google has acknowledged a technical issue leading to the resurgence of previously removed reviews in Business Profiles. Victoria Kroll from Google confirmed this bug in the Google Business Profile Help Forums, assuring users that the issue is being addressed. Many users may notice old or fake reviews appearing unexpectedly due to this error, but Kroll and Google Product Expert Stefan Somborac have indicated that these anomalies will be rectified soon, alleviating concerns among affected businesses.
We are aware that some removed reviews may be resurfacing due to a technical issue. We are working to resolve this.
If you've had fake reviews removed from your Business Profile and now see them returning—sometimes several years later—Google just acknowledged that this is a bug.
Read at Search Engine Roundtable
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