I made a post on SO Meta[0], where I shared a bit of wisdom I learned from teachers:

"Encourage the person; discourage the behavior."

Seems to have received lukewarm response, but it may be an oversimplified approach to a complex issue.

"There's always an easy solution to every human problem; Neat, plausible and wrong." –H. L. Mencken

[0] https://meta.stackoverflow.com/questions/398537/what-can-we-...