Each generation gets unfairly judged for whatever reason. Supposedly, Baby Boomers were a bunch of hippies, and Gen X gets called slackers. The harsh stereotype attached to millennials is that they are wiping away the old way of doing things (even though they were working just fine for everyone else). This includes phenomenon such as not buying homes or even their breakfast choices.
https://www.trend-chaser.com/trending/these-things-are-disappearing-because-millennials-refuse-to-pay-for-them/