Kaiser Slimlite Plano vs. RaLeno PLV-S192 (Brightness Uniformity)

I don’t think this expression is good.

https://www.amazon.com/gp/product/B07PMSBLTH/

So, are all of the people who posted positive reviews on Amazon about the film scan quality of this product a salesperson?

Suggested backlight sources for scanning film with DSLR - #13 by adam