I really like this idea. It has a fun element, which the subject desperately needs. Could be like the Ig Nobel prize[0], but for products/inventions that do the most harm, that make the world a worse place. Although I guess people wouldn't turn up to accept their prize. Maybe something like it already exists?

[0] which celebrates "unusual or trivial achievements in scientific research", mostly papers with totally absurd-sounding titles. https://www.improbable.com/ig-about/

The associated Luxuriant Flowing Hair Clubs for Scientists is possibly even more awesome. https://www.improbable.com/hair/