My spouse (in his 40s) just showed his new Assistant Manager (in her early 20s) what it looks like to stand up to your boss & not take his shit, & she was *impressed*.
You can always look for opportunities to show your coworkers what it looks like not to be a corporate shill & not to let them walk all over you.
He's got young, impressionable employees he's training. It's such a perfect teaching opportunity.