As the author made no specific claims or didn't show any failing test cases which can be discussed and reasoned about in a sensible way, it's going to be very hard to confirm or refute anything.
Responding to anonymous flames in the internet is a waste of time.
After reading most of the comments now , I believe it is. I cant understand why would people just try to bring down something which is popular by all means by doing such rash publicity . HN should be a little careful while posting such links without verifying the source.