Diversity of future careers
Your career isn’t typical
As discussed in Survivorship bias.
You probably need to prepare most of your research group for careers other than yours.
Not every junior researcher will continue in academia
If someone doesn’t want to, or isn’t sure, they will feel alone.
Feel unprepared for future jobs. Maybe no one they can turn to for help.
Feel like a failure.
How you can help
Diversity of collaborators and colleagues from different career paths.
Actually discuss career paths.
Don’t just hire people who have taken the same path to get where they are now. This provides internal role models.