Your first bite of a new mushroom should be just that. A bite. To see if you react negatively to it. Then you can eat them in quantities. False morels look nothing like a real one if you know what a real one looks like. It looks farely similar but wierd. And I believe they usually come up in the fall, so they aren't a problem. The hen of the woods is as easy a mushroom to identify as the buttons you buy in the store, but actually have a flavor to them. I also tried some shaggy manes and they had even better flavor than the hens. I am not insane, and try only mushrooms that are easily identified.
If you have never tried a wild mushroom and insist on only eating those bland buttons, so be it. You don't know what you are missing. How do you know the ones you buy are all safe? How about the rest of the food you buy?? Eat any spinach lately?? Life is to enjoy and risks are some of the best part of it, you just need to manage them correctly. The guy that you knew was very reckless in feeding others mushrooms that he was not sure of and they had never tried before.