Exactly. People are terrible at estimating things on long time scales. If an engineer isn't overly optimistic with estimates, management will force them to revi

Exactly. People are terrible at estimating things on long time scales. If an engineer isn't overly optimistic with estimates, management will force them to revise until they are. Unrealistic optimism despite heaps of evidence is a major human flaw. Adding pretend timelines is a stressful exercise in futility. But planning itself is not.