Team: "We are having trouble with Bob." Manager: "Ok I'll talk to him."
Team:"We are having trouble with Bob." Manager: "Don't come to me, you guys need to deal with that in your retro."
Team: "We voted Bob off the island." Manager: 'Ok, I'll forward to HR."
Autonomous teams get more done because they have eliminated management as a wait state and will proactively scale with other autonomous teams to maximize the amount of work not done. 21st century managers need to re-focus on flow efficiencies (as business engineers), and not people. 20th century managers won't have a job in 5 years.