I'm disappointed. I thought the article will talk about how to make a minimal package by hand, but instead it talks about dh_make and only tweaks autogenerated

I'm disappointed. I thought the article will talk about how to make a minimal package by hand, but instead it talks about dh_make and only tweaks autogenerated files a little. And by the way, those are called "directories" in unix world. "Folders" are something related to e-mail.