"OK Boomer" has become a popular retort among millennials, an eye-rolling response to older generations. But according to Jill Filipovic, author of OK Boomer, Let's Talk: How My Generation Got Left Behind, the phrase is "frustrated millennial shorthand for the ways the same people who created so many of our problems now pin the blame on us." This New York Post article examines why millennials are dismissive of life advice from Baby Boomers — and why they sometimes have a point.