most people don't have enough savings for investing advice to matter. An understanding of the job market would be pretty universally useful though.
It’s like you don’t need to understand business very deeply to understand the longer you’re talking to a salesman the more you’re getting hosed in the transaction. Rather that should be obvious from the underlying economics that allow businesses to function.
So sure just about every 401k is going to have a handy calculator designed to convince you to hand them more money every month. But, that’s not the basics that’s a sales tactic.