The article has an interesting premise, but ultimately fails to deliver. It's feels like someone venting or feeling insecure about a recent experience, and now I'm just left wondering what it was that upset them.
Self-promotion isn't bad on it's own, we all have motivations at some level. But too often pulling back the curtain on the "how I bootstrapped into $30k MRR while living on a beach" stories reveals something far different than the simple tips prescribed.
For something at a larger scale, I recommend critiques of Jim Collins' "Good to Great".
He has self-worth problems.