Within 45 days of the September 11 attacks, the U.S. Congress passed the PATRIOT Act — a sweeping surveillance law that had been circulating in policy circles for years but was considered politically untouchable. Forty-five days. Political scientist Naomi Klein, in her analysis of crisis-driven policy, identified the core mechanism: crises don't create new ideas, they unlock ones that were already waiting. The window doesn't drift during a shock. It gets shoved. Think tanks build intellectual infrastructure over years, but crises compress this timeline, making radical ideas immediately available for political action. But here's the uncomfortable corollary: crises compress that timeline to almost nothing. Researcher Prosci's crisis change framework identifies the defining feature of emergency policy shifts — there is no time for traditional planning. None. The pre-crisis stage, as crisis management scholars describe it, is where systemic risks of entire system collapse get identified. Once collapse begins, that window closes fast. The 2008 financial crisis exemplifies rapid Overton Window shifts, with interventions like bank bailouts and stimulus packages becoming feasible almost overnight. Economic headwinds forced rapid restructuring of entire workforce and organizational structures across sectors simultaneously. The 'rally round the flag' dynamic operates here too: during acute crisis, public tolerance for government action expands sharply, because the alternative looks worse. Crises demand rapid change with no runway for deliberation. What makes crisis-driven window shifts so durable — and so dangerous — is the systemic depth of the changes they enable. Systemic change, as organizational theorists define it, reconfigures not just policies but the processes and mindsets holding the old system in place. It targets root causes, not symptoms. That's why post-crisis legislation so often outlasts the emergency that justified it. The infrastructure built in panic becomes the new normal. Fabio, this is the mechanism worth watching: policies introduced as temporary emergency measures have a documented tendency to become permanent fixtures once the crisis fades and the public's attention moves on. The five keys of systems change scholarship are instructive here — shifting conditions means modifying the underlying rules, resource flows, and power relationships that kept the old window position stable. Crisis does this violently and fast. A pandemic, for instance, normalized remote work, digital government services, and emergency income transfers at a scale that peacetime advocacy had failed to achieve in decades. The window moved not because public opinion gradually warmed to these ideas, but because the old framework became operationally impossible to maintain. Involve people in how change happens, even when what must change is already fixed — that principle from crisis management research explains why the most durable post-crisis shifts are the ones that build genuine stakeholder buy-in rather than simply imposing new conditions under pressure. There is a risk calculus embedded in all of this that rarely gets named openly. Low employee engagement during transitions — the human cost of rapid, top-down change — produces turnover, resistance, and implementation failure. The same dynamic operates at the societal level. Crisis-driven window shifts that lack legitimacy tend to generate backlash once the emergency recedes. Crisis-driven shifts lacking legitimacy risk backlash, as seen when rapid changes lack deep institutional anchoring and practical consequences become undeniable. Speed without legitimacy is fragile. Here is the synthesis, Fabio, and it matters for every political moment you will analyze going forward. Exogenous shocks — pandemics, wars, economic collapses — can violently shove the Overton Window into positions that would normally take decades of deliberate intellectual groundwork to reach. But the shift only holds if the new position gets anchored in institutions, law, or genuine public buy-in before the backlash organizes. Crisis is the accelerant. It is not the architect. The ideas that survive a shock are the ones that were already being built in the engine room — waiting for the moment the window had no choice but to move.