Nobody at Gizmodo has ever worked in the automotive industry. It's absolutely amazing how far automotive adhesives have come. I think many people would be shocked to learned how many parts on their car are "simply glued" together.
https://duckduckgo.com/?q=automotive+adhesives&t=fpas&iax=images&ia=images
But it has to be the right adhesive for the material, then prepped and applied right. This clearly wasn't one of those things.