Most often, when an idea is adopted, particular attention is given to cases that seem to support it, while cases that seem to refute it are distorted, belittled, or ignored.
Based on these concerns, the insecure manager might overexert authority, demean the high performer's contributions, or even take credit for much of the high performer's work.
"I don't wish to demean you," I said to the strange boy. "however, can you explain why an important delegate like you would need to steal so many expensive chocolates for such a mission?"