The Rise and Fall of Strategic Planning
Mintzberg's argument is that strategic planning as practised by most organisations is not strategy at all — it is a formalised ritual that produces plans but not strategic thinking, and that the two are different activities requiring different cognitive modes.
Strategy, Mintzberg argues, emerges from practice as much as it is designed from above, and the organisations that confuse the document with the thinking pay for it.
For product direction this is the most direct critique of roadmap culture on the shelf: most product roadmaps are strategic planning in Mintzberg's sense, and they fail for exactly the reasons he describes.
Read alongside Rumelt for the complementary diagnostic and Porter for the strategy Mintzberg is arguing against.
Mintzberg is one of the few management academics who writes clearly; the book is long but well-argued.
Central argument
Mintzberg argues that formal strategic planning — the structured, calendar-driven process most large organisations practice — is categorically different from actual strategic thinking, and that conflating the two is not a minor inefficiency but a structural failure. Planning, he contends, is an analytical, decomposition-oriented activity that can codify and programme strategy once it exists, but cannot generate it; genuine strategy emerges from synthesis, pattern recognition, and learning from practice. Organisations that mistake the plan document for the strategic act end up with elaborate rituals that consume resources while insulating leadership from the conditions that would produce real strategic insight.
Critique
Mintzberg's critique is compelling as diagnosis but underdeveloped as prescription: he is far clearer about what strategic planning cannot do than about what organisations should do instead, which leaves readers with a persuasive demolition and a relatively thin replacement. His celebration of emergent strategy as the site of authentic strategic thinking can also romanticise informal processes that are genuinely opaque to scrutiny, difficult to evaluate, and prone to encoding the biases of whoever holds informal power — problems that some of planning's bureaucratic rituals were designed, however imperfectly, to counteract. The argument risks being more useful to those who want to justify the absence of rigour than to those trying to build better deliberate processes.
Why it matters for product
Most product roadmaps are precisely what Mintzberg diagnoses: a formalised output that signals strategic activity without requiring it, converting genuine questions about direction into scheduling problems and prioritisation theatre. For a CPO, the practical implication is that the quarterly roadmap ceremony and the actual work of strategic thinking require different forums, different participants, and different cognitive norms — and that confusing the two produces teams that are busy but not oriented. Mintzberg also explains why heavily planned discovery processes so often fail: structured research programmes can document user behaviour without generating the synthesis that constitutes strategic insight, which tends to emerge laterally from practice rather than vertically from a planned methodology.