I've heard mixed reports that this used to be the case but is no longer a major thing they do. I think in the past few years they added some more credibly bind

I've heard mixed reports that this used to be the case but is no longer a major thing they do. I think in the past few years they added some more credibly binding statements on their site about not removing or identifying user reviews. However, I don't know if this is actually the case or not.