"You are not a psychologist, you are not a warden. This is my institution, I will run it as I see fit," Phibbs said he was told.
And repeated, and repeated, in all kinds of contexts to various degrees of severity. It's cyclical.
Why? Because we aren't psychologists; we don't understand the behaviour of others any more than we understand the behaviour of ourselves. If we ever hope to fill in these social fissures, we need to work harder to understand.
No one can force us to do so - we have to want to, for ourselves. We have to believe understanding matters; we have to have faith that understanding is possible.