I check Fakespot, and click on some reviewer profiles. The idiots doing full-time positive product reviewing are so easy to spot by their hilarious review history that you start to assume that Amazon doesn’t do anything against them on purpose. They also mainly flock on the crap within a single month or so (but this is one of many Fakespot metrics).
I tried buying a new bicycle light last week and literally every product was crap with fake reviewing. After wasting an hour on this I ended up not buying from Amazon. Rolling out the red carpet for the Chinese crap and counterfeit industry on their platform is likely to become Amazon’s death if they don’t admit their mistake and turn the wheel now.