Fish and chips was invented by Jewish immigrants. Our food is a melting pot of different influences from a myriad of different cultures, and we like it that way.
I'm UK based so not hugely familiar with US mushrooms, but I seem to recall a spore print being useful for checking for false parasol? Though it's not the most obvious (e.g. snakeskin markings for distinguishing from parasol).
Btw I totally agree with your general point (I never use them, except to produce pretty spore prints for friends).
Or key the car, if you're out of sight.