A book of generalizations of the Millennial generation in the United States. Or more specifically, a book about a rise in ignorance and narcissism in society, pinned solely on the Millennial generation. While some parts of the book are informative in terms of digital learning, much of it's just a rant consisting of "Kids these days don't think like I do, therefore they're dumb."
Example: If you want to see the train wreck that is "The Dumbest Generation" for yourself, and it's available at your local library, borrow it. Don't buy it, it's worth about as much as the Zimbabwean dollar circa 2008.
Example: A: I just read that youtube comment and felt like my IQ dropped by like 10 points.
B: Youtube comments section is literally the dumbest place on earth. I'd suggest you read pornhub comments instead.
...
A: Thanks man, that was really helpful advice.
The most logically-challenged portion of the general population for which the most obvious warnings, posts, signs and instructions must be written or designed to avoid catastrophe.
Example: On the lid of the coffee cup: Contents may be hot.
On a package of kitchen knives: Caution! Items are sharp.
On a trash bag: Do not place over head.
At a railroad crossing: No parking.
On a clothes dryer: Do not place children or animals inside.
"This is the dumbest sign I've ever seen. Do they think I'm a complete moron?"
"Dude. Gotta plan for the Dumbest Common Denominator."