Life Benefits of Employing the Self Discipline of a Buddhist Monk

So long as you have no knowledge of Buddhism the analogy does seem good. You speak of 'learning from the whole thing' but clearly the GP post is complaining about that very same thing... that the author focused in on an idea and presented it without appearing to have learned of the wider context. Or if the author does know, he's not communicated that.

Someone with knowledge is likely to ask which school of Buddhism in attempt to understand the analogy. If Theravada, then does DROdio mean that his discipline is the equivalent of precepts that he his following?

In that sense self-discipline is just another word for practise and routine. An attempt to make an action second-nature.

The article also specifically says: "Think of the self discipline of a Buddhist monk practicing monastic silence for years next time you're tempted to stray from prioritizing successfully."

Buddhists rarely practise silence in the form of a vow of silence in the Western religious sense, this Buddhist saying expresses it better:

   Do not speak, unless it improves on silence.

Observing that a Buddhist monk appears to have discipline and then repeating such behaviour without understanding why would be to cargo cult.

To go back to your last line again, 'picking out one little piece of a post to whine about instead of learning from the whole thing', I think it's precisely because most people on HN do want to learn about everything that we do pick things apart. It's hacker nature to disassemble something to try and understand it, and perhaps some people do that too vigorously in the context of conversation.

Of course, some pick apart for sport, and I wouldn't agree with the GP that I was 'disgusted' by the author. I also hesitated upon those parts of the article, and now I've spent longer writing this post than was probably worth it... the vast majority of thoughts I never hit reply for, they seldom improve on silence. But perhaps in this case that single saying does.