Will magnetic shelves for side of refrigerator Ever Rule the World?

https://martinergc695.wordpress.com/2019/07/08/10-misconceptions-your-boss-has-about-magnetic-shelves-for-side-of-refrigerator/

Works as advertised. Fits the paper towels without being too tight, but is not too loose either. I can tear a piece off with one hand and a swift flick.