This isn't offensive. That's ridiculous to say. My entire reply was to give feedback, I didn't ask him to lower his price, or give it to me for free. There is lots of software I will use if it is free, and lots I will pay for. I was just speaking my thoughts the value added by such an app.

You don't get to choose whether or not it sounded offensive to someone. It's just trashy. Then you ask the guy for advice.

Sure you have your opinion but without bringing some level of objectivity to the conversation, it really doesn't mean much. Have you developed a product on your own before? When I have I am usually DYING for feedback of all kinds. Typically that's why people put things on hacker news.