Oh no, managers in technical teams are usually doing their jobs not because it's fun and exciting but there's no other people who is willing to do those "grunt

Oh no, managers in technical teams are usually doing their jobs not because it's fun and exciting but there's no other people who is willing to do those "grunt works" around people. Real leadership happens in the team, not code; code is just a (rather inaccurate) reflection of organization and business. It's correct that it's important to keep it close to the reality, but that's done by people and teams.