[jcadam]

Problem: Imposter syndrome.

The overlap between people who think very highly of themselves and your top performers may not be 100%. It's probably quite a bit less.

[shapefrog]

It also depends on middle managers identifying the actual low-performers and not marking for removal high performers who they don't like or might take their job in a slimmed down org.

[daniel-cussen]

Imposter syndrome when you're told an imposter second-to-second.