You have to dig not to find copyright-infringing links at the root of TORRENTZ.EU's index.
At yet the statistic on Google's summary page suggests that TORRENTZ.EU is primarily --- no, overwhelmingly --- a non-infringing site. And that is the reason the statistic is there: to put forward that argument.
We don't have to agree on the policy debate here, but let's at least call spades spades.
I never said there wasn't infringing content there. I had never been there, after all, though I just took a quick peek after you linked to it just now. Nothing loaded. That's probably due to noscript, which I wouldn't dare turn off on a site like that.
I still think it unlikely that anyone is gaming that metric. It might be a bad one for whatever reason, but I can't imagine that anyone has been gaming it given that nobody knew of it until just now.
A metric that says the overwhelming majority of TORRENTZ.EU is noninfringing is a bogus metric. My point is, I think, pretty clear. We can debate whether infringement is worth caring about, but no reasonable debate suggests that TORRENTZ.EU is mostly rightsholder-neutral.