Typical scaremongering article—eating wild mushrooms is perfectly safe if you are willing to learn basic information about what you’re doing. The vast majority of people poisoned, like the man in the article, are those who made virtually no attempt to identify the mushrooms in question. Destroying angels and giant puffballs are radically different in appearance which would be revealed within 30 seconds of reading or viewing images online.
Regarding the microscope thing—sure, some species require a microscope to ID. As with all organisms, some closely related species can appear extremely similar. But I’m not aware of any commonly consumed species that can only be separated from poisonous lookalikes using a microscope. Most mushrooms people eat, like the giant puffball, can be reliably identified by novices with a few minutes of education and practice.
That said, obviously don’t eat something just because an app said maybe it’s something you can. That is moronic. Cool tattoo though.