If Carmack or Dean were unable to make an impact after 2 years despite their exceptional skillsets, they probably wouldn't have stayed as long. If your culture

If Carmack or Dean were unable to make an impact after 2 years despite their exceptional skillsets, they probably wouldn't have stayed as long. If your culture doesn't let top performers, well, perform, then why would they waste their time in a place where their contributions can't reach a level of impact that can justify paying them what they're worth?