Google's Suggested GBP Updates Nuke Reviews
Make sure you know your GBP CID numbers and have backups of your reviews; you'll need them sooner or later.
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Google automatically (and annoyingly) pushes updates to Google Business Profile (GBP) listings and then forces listings managers to manually reject the changes. It's often unclear where these changes come from; they're often wrong. This becomes increasingly problematic the more listings you have; the current dashboard for rejecting them doesn't work at scale.
But recently it has become significantly more problematic.