The danger is part of the appeal. When somebody gives you a mushroom called "the sickener," which is apparently edible with an appropriate combination of brining, fermentation, soaking, rinsing, and boiling, it's a little hard to resist the temptation to prove everyone else wrong and turn it into a tasty treat.
Why would anyone eat fugu or collect wild mushrooms?
It's fun and interesting. That's why. Danger be damned.