few things i learned about management:

success of an individual depends of the tasks they are given.

if you give someone a task they can not solve, they will fail.

if you give someone a task they can solve, they will succeed.

no one knows everything.

we mostly do not know how to do things.

we are specialized at solving very niche tasks.

the better we are, the more expert we are, the more niche we are.

purpose of management is to manage efficiency.

purpose of management of individuals is to give them tasks at which they can succeed.

if tasks are too hard, they will feel like failures.

in a team, it is crucial to understand who is expert in what.

once individual’s expertise is known you can give her tasks which she can complete successfully.

you can also increase their knowledge through training.