Your web app is a blatant copy of paper publishing that's been going on for decades. Get real, dude.
As for the name, seems to me "hacker news paper" is a fairly obvious name to arrive at.
Not knocking your webapp. Just saying there really isn't an issue here.
In the hacker news crowd, I think it is significantly more present.
I don't recall your opinions on these topics, but prepare to be faced with some pretty intense logical fallacies today.