Winnicott's most underused idea has nothing to do with parenting. In his clinical work, D.W. Winnicott observed that healthy development requires what he called a 'holding environment' — a context stable enough that a person can afford to fall apart a little, test boundaries, and think half-formed thoughts without catastrophic consequence. Strip that environment away, and the person stops experimenting. They perform competence instead. The same dynamic runs through product teams. When the container is unstable — leadership volatile, priorities shifting weekly, post-mortems secretly punitive — the team stops doing the actual work of product management, which is tolerating uncertainty long enough to learn something true. They start optimizing for the appearance of confidence: crisp decks, decisive roadmaps, pre-answered questions. The knowledge looks clean because the mess was hidden. Winnicott's insight is that the quality of thinking visible in a team's output is partly a readout of the psychological safety of the container, not just the intelligence of the people inside it. Which means improving a team's reasoning isn't always a training problem. Sometimes it's a thermostat problem.

Who in your immediate team has stopped bringing you half-formed ideas, and when did that change?

Drawing from Object Relations Psychology / British Developmental Psychoanalysis — D.W. Winnicott — 'The Theory of the Parent-Infant Relationship' (1960) and 'Playing and Reality' (1971), particularly his account of the holding environment as the precondition for genuine exploratory thought