I didn't read the article but in my experience, 80% of the application are parts that you rarely touch, config stuff and "LEFT JOIN" stuff. There is always one

I didn't read the article but in my experience, 80% of the application are parts that you rarely touch, config stuff and "LEFT JOIN" stuff. There is always one or two parts where all data comes together and that is the heart of your application. Yeah those are the parts your users care about and pay you to make.