+12 years PM here. Good teams know how to estimate. Estimations are that, estimations and not solid predictions. Deadlines should be blurry enough to have the i

+12 years PM here. Good teams know how to estimate. Estimations are that, estimations and not solid predictions. Deadlines should be blurry enough to have the idea when business can have something, and never fixed dates. The reason is simple: people get sick, people find new corner cases, problems, technical difficulties and day-to-day operations will sabotage (indirectly) the excution to deliver that new project.