Whoa, please don't be a jerk in response to other people's work on HN. It's fine if you don't like it, and it's certainly fine if you have substantive criticism. But it's not fine to put down others, or their work; internet cultures can easily turn in that direction and we're hoping to avoid that here.
The Show HN guidelines (which also apply to Launch HNs) have a few things to say about this: https://news.ycombinator.com/showhn.html, and of course the site guidelines do also: https://news.ycombinator.com/newsguidelines.html.