https://www.techdirt.com/articles/20160908/11305735465/terri...
https://www.techdirt.com/articles/20160908/11305735465/terri...
Two relevant portions of the court's judgment (my emphasis added to the latter):
> In contrast, where it is established that such a person knew or ought to have known that the hyperlink he posted provides access to a work illegally placed on the internet, for example owing to the fact that he was notified thereof by the copyright holders, it is necessary to consider that the provision of that link constitutes a ‘communication to the public’ within the meaning of Article 3(1) of Directive 2001/29.
> or whether, on the contrary, those links are provided for such a purpose, _a situation in which that knowledge must be presumed_.
In the same way a drug dealer has no idea what's in his stash; they know exactly the sort of thing in there, roughly how much of it is there but not the very specific details.
In fact google just doesn't want to moderate illegal content. It doesn't even remove the websites with infringing material, only single links.