From a business perspective, some level of estimation is absolutely required, so that judgment calls can be made as to priorities of execution and communications within the company and to customers. We need to have some level of understanding of whether something is “bigger than an elephant or smaller than a breadbox” so that we can deploy other parts of the organization appropriately. “It takes as long as it takes” is not useful for tactical or strategic planning within any organization.
It’s kind of hard for me to link to this. First, there’s no byline, and I’d love to quote the author by name. Also, wow, that stock image… ↩