User blog comment:Gundam Legilis/Philosophy in RWBY/@comment-24198837-20150128222443

Thing is, nothing poses a threat. Like, at all.

Cinder was shown to be on par, skill wise, with Glynda. Thing is, she's the strongest antagonist (currently), while the protagonists have AT LEAST Port, Oobleck, and Glynda, the countless off-screen professors, the headmasters (who, it's fair to guess, are in a complete league of their own), and the countless legions of Atlas. They've got that tiny advantage of being literally the strongest fighting force in all history, and their only part of the total force of good we've seen.

And Breach shows how useless Grimm are.

It's not really darkness we want, I'd say, but a true threat. Thing is, threats, and good antagonists, usually tend to be dark. It's an unintentional bi-product of good storytelling. If an antognist isn't dark, they just seem useless or petty. Cinder seems petty, the Grimm useless.

Think of good antagonists. Most are dark. Rarely over-the-top, insanely evil, but often dark. I can't think of one I've liked that wasn't really dark.

I think it's just a character thing.