As for #1, estimates are usually wrong, because people are often extremely optimistic. And requirements are often incredibly vague. To expect to meet 100% of yo

As for #1, estimates are usually wrong, because people are often extremely optimistic. And requirements are often incredibly vague. To expect to meet 100% of your "sprint goals" is unreasonable. It's not cynicism, it's being realistic. Retros are a big waste of time about 95% of the time.