. >> reporter: bruce gibney, author of “a generation of sociopaths: how the baby boomers betrayed americae elderly first made perfect sense from a public health standpoint. >> the challenge is that after years of abusive behavior on the part of the boomers, this might be the straw that breaks the camel's back. >> reporter: gibney says the pandemic has fueled a growing resentment of baby boomers, which he marks a bit earlier- those of us born between 1940 and 1965, rather than after the war. it's a resentment among millennials, ¡81 to ¡96, whose economic prospects have been sacrificed to help supposedly greedy, ungrateful boomers, oblivious to the realities facing the young. >> the millennials and generation z have the peter pan syndrome. they don't ever want to grow up. >> reporter: this 2019 tik tok video helped popularize the phrase “ok boomer” as a retort to the boomer critique: >> you're going to mature and you're to realize that nothing's free, that things aren't equal, and that your utopian society you've created in your youth is simply not sustainle. >> reporter: how do real life m