On all the agile projects I’ve worked on, the teams have been very reluctant to make a specification in place before starting development. Often claiming that we can’t know the requirements up-front, because we’re agile.

Article is from 2016

Since the “new” version it has been shit. Typical big enterprises to break something the users like.

Missing perhaps the most important skill: Human to human communication, allowing you to:

• Discover the real requirements for your task by talking to the end user/stakeholder.
• Be able to propose and discuss alternatives to the requested solution, after you learn the real requirements.
• Clearly and timely communicate obstacles that occur during any phase in the project.

I suspect it is missing because most developers, myself included, dislike human communication. We like computers because they give us honest and logical answers.

You are joking. But https://aws.amazon.com/snowmobile/ is real.