I think it's often people that have an emotional response that make their first comment if they've been a lurker for a while already.

FWIW I think people are reacting negatively to you is because you've done the equivalent of walk into a community center where someone is showing their hobbyist art project and loudly proclaimed all the problems and that you'll be more interested when they fixed it up enough to make it to a real gallery. Not only is that person missing much of the point of why that person did it and judging it by standards it was never intending to strive for, but doing so around others that are there to appreciate it for what it is actually hampers their enjoyment and the empathic happiness they feel for someone striving to do something for the fun of it.

In other words, most people don't really care if this materializes as an actual product or project that's widely usable. It's a cool hobby project and some of us appreciate that, and appreciate people documenting their process in doing such things.