All that Darkcoin has in common with the other two is the "coin" in the name.

It's an X11 coin. X11 is the future, and Hirocoin is going to come up as a winner.... stronger devs, stronger PR, stronger marketing.

Other than that I think you wrote a pretty cool article. Yes, a lot of FUD and slander is spread by competitors. It's all very tiring and depressing, heh.