I think it's inherent because they need to monetize it to stay in business. If you want a trustworthy review system you need something more like Consumer Repor

I think it's inherent because they need to monetize it to stay in business. If you want a trustworthy review system you need something more like Consumer Reports--the user pays a subscription, the product company is not involved. I doubt anyone can get the inertia to make that work.