Reviews can be used to manipulate persons opinions and induce biases about any work, for both good and evil purposes. I believe this decision was to avoid letting someone make use of "mob mentality" against developers.
I personally prefer it this way, since who benefits most from reviews are the developers themselves.
Yeah, but that's not a problem with reviews, that's a problem with human communication. If the aim is to prevent cancel mobs, this is the equivalent of building a gate with no fence - and not even in the specific spot where you would need a full gate+fence, but in the middle of a completely unrelated street in the next town over.
