Unfortunately there are very few open review projects and none that people have tried to actually integrate into one of the OSM apps. It makes me rather disappointed as finding businesses and checking reviews is one of the most common uses I have for Google Maps and yet OSM cannot replace it.
Glad that he eventually got it fixed.
Still, these are the issues that make me question why anyone is excited for products like brain implants. The longer we can go without commercialised body modifications, the better.