Because VUCA calls for strategic thinking, self-awareness, learning agility and ease with ambiguity more than for functional skill, selection assesses them: a structured interview draws out past examples of performing amid rapid change or ambiguity, of decisiveness under urgency, of judging when to gather more information and when to decide on what is at hand, and of adapting personal style to reach an objective; other questions probe strategic thinking, openness to change and cross-functional collaboration.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.