I don't think you're taking into account the context or intended audience. It's a casual forum message posted in reply to someone else's message.
They have not written a "falsehoods programmers believe" article. They have proposed that one ought to be written and have given a starting point for what it might cover.
They offered their list to "get the ball rolling", confirming that they don't see it as a finished product.
They sent it to other readers of the same forum, who might be expected to have more knowledge of this topic, not to whoever runs across it on the front page of HN.
They have not written a "falsehoods programmers believe" article. They have proposed that one ought to be written and have given a starting point for what it might cover.
They offered their list to "get the ball rolling", confirming that they don't see it as a finished product.
They sent it to other readers of the same forum, who might be expected to have more knowledge of this topic, not to whoever runs across it on the front page of HN.