You can intentionally increase the value of your people--you increase the value of their time--you can actually get more revenue, more profit from adding that value by getting your people more experienced.
Every firm has concerns about keeping the people you have. It's really challenging when you have made that investment, so now you want to keep them there. If they do leave, that makes a huge disruption in the projects that you are working on.
Human Capital Management is the Acquiring, Maintaining, Nurturing and Strengthening of the people who actually execute the projects in your firm. It's the projects that generate the revenue that is your business. This conversation focuses on acquiring people.
The challenge is that you're tasking new project managers, or people who've been with you for a while, but taking on the new project management role before they have sufficient confidence in what they're doing in their role as a project manager.