Yes but .. huh? How many developers claim to be good at estimation if not for their managers? My experience has been that devs would much rather not make estim

Yes but .. huh? How many developers claim to be good at estimation if not for their managers? My experience has been that devs would much rather not make estimates because they know they can't do it, and when their management is itself made of engineers, they aren't asked to. Engineering-led businesses find other ways to avoid the need for estimates.