That crosses into personal attack, which we ban people for, and name-calling, which the site guidelines ask you not to do.
Would you mind reviewing https://news.ycombinator.com/newsguidelines.html and taking the spirit of this site more to heart? If you know more than others, the thing to do here is not to put others down, but to offer some of what you know, so we all can learn. Or you can ask about why they did X rather than Y. Perhaps they also know quite a bit, and chose X for an interesting reason.
"It would require you to be a competent programmer though." is not blunt criticism. It is simply unkind and unnecessary. You can be blunt without being nasty.
While I do sometimes think reactions on HN could use a little "lighten up already", I agree with 'dang' here. You definitely crossed the line in this case.
Would you mind reviewing https://news.ycombinator.com/newsguidelines.html and taking the spirit of this site more to heart? If you know more than others, the thing to do here is not to put others down, but to offer some of what you know, so we all can learn. Or you can ask about why they did X rather than Y. Perhaps they also know quite a bit, and chose X for an interesting reason.