Thanks so much for taking the time to write out a full response here. Sorry I didn’t get a chance to respond to it sooner and continue the spirited debate!
After a bit of reflection, I agree with the assessment that my comparison matrix was ill-informed and fundamentally is more of Burndown being compared to Scrum rather than Agile itself.
Since writing this post, I’ve revised the approach there and written a full book on the topic where I change the comparison to be proper and address what a few readers of this article got caught up on.
If you’re interested, feel free to check it out. Thanks!