For every 1 in 10 engineers that you promote to being a manager, less than 1 in 10 of them will be any good at it because the skills needed to be good at the fo

For every 1 in 10 engineers that you promote to being a manager, less than 1 in 10 of them will be any good at it because the skills needed to be good at the former are different from the ones needed for the latter. This is a mistake that I see being made time and time again. Ironically, this also contributes to job hopping and turnover among engineers who are subjected to these bad managers.