> Some expertise is timeless. A few behaviors always repeat. They’re often the most important things to pay attention to.

AKA: wisdom. Seek, cherish, and protect that. Wisdom is functional.

'Expertise' is often knowledge if the current/historical state of affairs. When a dam breaks:

> It usually means other parts of the system have evolved in a way that allows what was once impossible to now become practical.

The state of the hardware, the software, and the peopleware at any moment in time is an Overton Window.