> The results were not favorable for bitcoin and highlights key design problems

Some would disagree, considering the system kept functioning exactly as intended under the circumstances imposed on it.

Personally I agree that the whole thing is troubling, but was anything really discovered here?

Considering that the price has been rising, if you believe in prediction markets, these design problems could likely be overcome. After all, people have been working on it since long before any of these stress tests were performed.