I think you've built some awesome. Even if, as you said, it proves to be for an audience of one (you), I know some people out there are grateful for you sharing it. Comments are not reality most of the times. There is a silent portion which would like your idea and you just don't know. People here in HN tend to be very polarized towards a certain idea, come up with intellectual arguments to justify their emotional reactions. Of course you can find some light in negative comments, but still, to be taken with a grain of salt.
Someone said "a generation growing up without imagining. So depressing." This reads like old man yells to clouds. Through history you can find these comments about upcoming generations all over the place... We can make the same arguments in the past "oh you spend so much time reading others stories instead of writing your own? Yeah, you lack imagination kid, you're in big trouble."
To have nuance and avoid over-generalizing is a good exercise in today's society I guess.