I think it was being advanced as necessary but not sufficient. Certainly being technically competent does not qualify one for a management position. It requires

I think it was being advanced as necessary but not sufficient. Certainly being technically competent does not qualify one for a management position. It requires an entirely new skillset to be developed and a shift in mindset that many developers aren't going to be willing to make (i.e., despite being elevated to a management role, you are decidedly not the "star" of the team and must delegate the most interesting work to your team members).