Google isn't selling the pirated content and cracked keys that are easily found with it, but they are selling ad impressions on top of them. That seems to me to be much less substantially different from YouTube's case than YouTube's is from Udemy's.

Also, this isn't just us, the law in fact does consider them substantially different, and specifically uses the word "directly": https://news.ycombinator.com/item?id=10640023