I believe Ritz was definitely showing progress through the years, and despite his time with setbacks, his performances did improve year after year. I have been witness to workouts later in his career when with Hudson made me believe he was indeed capable of Ryan Hall levels if not better if and when he caught a break.
While I do think bio mechanics should play a role as part in an ongoing attempt to streamline Ritz or any runner's system of running training, this needs to fit within the context or scope of that which has made things work in the first place.
Fact is, Hudson had incorporated drills and hill sprints successfully prior to Ritz working with Alberto as a means to help Ritz and Hudson's athletes become more efficient.
As coach Hudson would say, and I paraphrase, do things in a way to support the main elements or strengths of the runner that are carefully evaluated based on the potential risk to reward. Seems like "common sense" to me.
From the way I re read this article, Alberto describes this form training methodology as an only if situation, that can be the only chance to determine winning vs bronze or placing. How can Alberto know this? It comes off to me as arrogant or hysterical. Either way, making major changes based on hypothesis or conjecture no matter how attractive is not the way to design bridges, nor do I think it reasonable at this stage in Dathan's career.
It seems a gross departure from Hudson's philosophy of doing A to support B vs doing A at the potential demise of B. Given the scant evidence to support A, doing anything other than small tests to establish the plausibility of the methods is not reasonable given the risks as noted too by Alberto.