Getting into the beta has nothing to do with being a good or bad programmer. It's not about Blow's ego or criticizing the language, it's about keeping a modicum of respect about a decade's worth of work and not being an ass.
If the ad-homimem's didn't disqualify his whole post, the smell of his butt-hurt would.
PS. As a factual contradiction, documentation is provided with every compiler version and it currently stands at ~32K lines of very well commented example code touching almost every feature of the language.