"Stop managing and start leading"?

Managers who don’t lead are quite discouraging, but leaders who don’t manage don’t know what’s going on. It’s a phony separation that people are making between the two. —Henry Mintzberg

There’s a genre of article that’s very popular, and it can be summarized by its basic advice to “stop managing and start leading.”

These pieces usually encourage managers to move to a “higher level” and become leaders, often directly stating that leadership is a higher and more valuable pursuit than management.