You just answered your own question. People who understand very much about developers and the types of developers for specific roles are the requirements of a g

You just answered your own question. People who understand very much about developers and the types of developers for specific roles are the requirements of a good technical manager. A recruiter who's very good with technology and who can program is better off being a developer financially. A recruiter who's very good with people and navigating the intricacies of a project is better off financially being an internal HR manager or project manager.