I'm very ambivalent about this article. On the one hand, it's the first serious criticism of Hyperloop that I've seen on HN. The author has dived to the deepest levels of one section of the proposal, understood them, and found a serious problem.
On the other hand, I'm disappointed with his attitude. It's the equivalent of
"This open source project is very ambitious and planned in good detail. I'm an expert on memory management so I looked at the code there and had a good laugh. This will never scale to production levels because of X, Y and Z. You can probably fix it with sufficient development time. But I won't tell you how, because I think a problem with such important code shows you're dishonest and stupid."
On the other hand, I'm disappointed with his attitude. It's the equivalent of
"This open source project is very ambitious and planned in good detail. I'm an expert on memory management so I looked at the code there and had a good laugh. This will never scale to production levels because of X, Y and Z. You can probably fix it with sufficient development time. But I won't tell you how, because I think a problem with such important code shows you're dishonest and stupid."