On reddit or other more general sites, you can see their entire comment history. Hopefully you'll notice that a tiny tiny portion of their comments are related to products or reviews.
In other words, you can get a feel for if the person is genuine or not.
Of course, that doesn't 100% rule out paid shilling by (otherwise) honest people, but you do get a much better sense of the veracity of reviews on a site like reddit than you could ever get from Amazon.
On reddit or other more general sites, you can see their entire comment history. Hopefully you'll notice that a tiny tiny portion of their comments are related to products or reviews.
In other words, you can get a feel for if the person is genuine or not.
Of course, that doesn't 100% rule out paid shilling by (otherwise) honest people, but you do get a much better sense of the veracity of reviews on a site like reddit than you could ever get from Amazon.