I didn't seem to find any imperatives even saying that you should follow the same method. So, in essence, he is doing exactly what the article says: telling his experience (about telling experiences instead of giving advice), and letting the readers figure it out if they will take any action based on that by themselves.

The title is "How I learned to...", so I think he's following his own advice here.

It's confusing that you don't understand the difference of a blog that you have to click on and choose to read vs a personal interaction or meeting where you can't leave.