This is good advice, because it also forces you to learn to edit what you've written. What I've seen is that editing is a separate skill from writing that needs

This is good advice, because it also forces you to learn to edit what you've written. What I've seen is that editing is a separate skill from writing that needs some effort to learn. Maybe editing is not that important for blog posts. Shorter texts can sometimes be written in one pass, but for producing anything longer it's a vital skill.