I've read it's illegal to use other company's product photos, but there are small websites out there that have product photos for most of the tens of thousands of products:
I noticed they let people submit the product information including the product image (e.g. 'Upload Image (High Quality, 350x350 px Minimum with white background)').
Is this some kind of loophole because they can say 'Oh it was uploaded by our users and there's nothing we can do about it' if they get sued? Are they just taking the risks thinking they won't get sued?
Or are there any easy ways for such sites to get copyrights for all product photos?