If this were the case why don't we see more Olympians running in vibrams?
Not vibrams, but please have a closeer look at those olypians shoes. These are very lightweight and most important _flat_ shoes, encouraging a natural running pose.
The best I could find was the 2023 berlin marathon, but looking at the shoes the heel and midfoot are flat while the forefoot is definitely raised.
https://www.runningshoesguru.com/2023/09/the-shoes-of-the-wi...