A corrections officer once told me the same thing about "model prisoners."
Of course, the people with the lowest self-esteem tend to be junkies, dusters, and meth heads.
I think the main point is that self-esteem is something EARNED through hard work and good work, not "given" to us by limp-wristed teachers and counselors.
I disagree. Here's how I would word it:
I think the main point is that SELF RESPECT is something EARNED through hard work and good work, and self-esteem is "given" to us by limp-wristed teachers and counselors.