Not sure I follow. It sounds like the experts in your example are able to effectively identify fair reviews based on their merit. This would need to be the ca

Not sure I follow. It sounds like the experts in your example are able to effectively identify fair reviews based on their merit. This would need to be the case for people to pick out unfair reviews (and therefore deter reviewers from writing bad reviews). But it that's the case, anonymity shouldn't incentivize anyone to write bad reviews (since bad reviews would be identifiable and dismissible on their own). If anything, I would think that de-anonymization (implicit in this case, since reviewers are presumably nominally anonymous) would be more likely to empower cult-of-personality effects (or in general, would incentivize looking beyond the merits of a review, to get into an influential person's good books), making bad reviews more influential than they otherwise would be.