Examples of metadata I want to know:
- Is the author running an agency? Do they just need to build X more things faster?
- Is the author building a 10+ year company? Do they need long-term infrastructure?
- Is the author a frontend, backend, full-stack, functional, etc programmer?
- Does the author manage? Are they a tech lead? Do they write code every day?
Knowing the answer to such questions determines whether or not the author's guidance applies to your situation. It's highly likely that most of the advice you see out there isn't actually relevant to you at all. Including this post :)
(Originally from my comment here)