(To be clear: I'm not talking about the "SaaS vampires" bit - it's colorful language that's not targeting anyone in particular; it's flamebait, but not so bad that we'd post a scolding. It's the personal swipes in the first and last sentences that are the problem.)
If you could make your substantive points within the site guidelines, that would be the sweet spot. They're here: https://news.ycombinator.com/newsguidelines.html.