The blog post starts with your same premise: pull out all the stops on working hard. It's just a choice. Why not have a startup that takes longer to grow?

To make the point clear: children raised by young and growing parents and different from children raised by old and established parents. Slow startups are different from fast startups. No judgement, they are just different. But the premise that a fast startup is the only way to do a startup is false. It's just choices for different outcomes.