A lot of scientists sample the wares. It had to be explicitly banned at my workplace. “Organoleptic testing” was how they put it. There were several incidents, but the one with polyols was extra. (Sugar-free gummi bears will give you the gist of it. Link below) They just get bored and stupid. They’ll check the LD50 (if known), then go to town if it’s tasty enough.
Classic. A little googling will turn up gold for sugar free gummi effects