And while I was still employed as a seasoned developer (before recently retiring) I felt it was my role to pass along some of my cynicism to the new hires and younger devs. Some of them seemed a little surprised to see me call bullshit in a group meeting. (Good luck to you boys and girls.)
Meanwhile, they all roll their eyes at the "jaded greybeard" advice. I know, because many years ago I was doing the eye rolling. I guess some lessons really can only be learned through experience.
The important part is that when they see the first thing you warned them about, they remember about all the other things you have also mentioned.
I like to think they'll remember some day.