He has a point though.
Look at his awful blog post. It's appallingly-written, doesn't make much sense, invokes various logical fallacies - and hit the front page of HN!
"So here I am getting this post out in the field ASAP, let me know what you think lets talk about all the theory people we've, how does it still exist in this "lean startup" world? Perhaps we should go from lean to anorexic startup. I've never heard of a company launching too fast as Paul Graham says very few do and so far I know none."
A garbled mess of nonsense. And yet here we are, talking about it!
Proof that, at least sometimes, taking action without any kind of meaningful thought behind it is capable of generating success.