Proving bad faith or that someone "knowingly materially misrepresents... that material or activity is infringing" when it's completely automated sounds very difficult.
Then why is it allowed to be automated? Why we don't require a few sentences of explanation for each of submitted URLs, explaining how each of them infringes copyright.
"Oh, haha, sorry about that. Our automated tool screwed the pooch on that one. We promise we'll do better next time."