It's not that simple. In a time of massive flux and shake up you have to be ready to jump to different kinds of roles in different kinds of organizations. Maybe you've been an enterprise and need to jump to a startup or the reverse... or maybe you've been in an internal only role and need to move into a customer facing role or any number of other possibilities. Admittedly one way of interpreting the need for evolving is that it could be exhausting so in that sense the author has a point but it's not as black and white as you imply. At any moment in time there are growth areas in the economy and growth teams within companies and there are atrophying or declining areas of the economy or teams within companies. These macrodynamics are just as important as who you happen to work for and what the tools du jour mean for your work. But they require you to be intentionalable about making changes