Straight up, we don't know how old they really are, no matter what they claim. And they all look super young.
Second, even if they're of age, these were uploaded without consent, obtained under false pretenses. The liability we're putting on the website, the uploaders, downloaders, even the people just using the site is massive. We're just playing with fire here. Best case nothing happens, bad case site gets shut down, worst case anyone who downloads it becomes complicit in CP. Just worth a discussion I think.