Fakespot has lower negative impact if it mis-identifies a genuine product as grade level "C". But if Amazon does that you will certainly see people publishing stories about how their genuine product has been mis-identified by the giant called Amazon. For example today's submission:
https://bardsandsages.com/juliedawson/2018/05/06/amazon-froz...
It will be like de-monization (of YT videos) all over again.