Deploying code on a Friday afternoon is a recipe for weekend disaster. When done without adequate oversight, it results in firefighting due to increased customer complaints and systems breaking with limited resources available to address them. Shopify operators might find their checkout flows suddenly break at 4 PM as a new feature rolls out, facing the double whammy of unreachability of necessary codebase experts and a sudden uptick in customer complaints. Over time, this practice corrodes operational trust and team morale due to weekend disruptions. A preventative operations model suggests altering schedules to exclude weekends, assigning clear accountability, and ensuring SLAs for rollback and resolution are in place.