This has all the hallmarks of an overreaction to a moral panic, not a rational response to the actual evidence. People become incredibly sure of their positions and don't even want to look at the evidence, but to be honest, the evidence doesn't matter, because people won't be persuaded by it anyway given the stress level and strong emotions.
Is the internet a better place without this site? Who knows. But that's not the question we should ask when making censorship decisions, because these panics invariably exaggerate the immediate harms of keeping a site and minimize the longer-term harms of terminating it.