"You are seeing this ad on ShittySite.com because you clicked on an article about new cars on NewsSite.com 13 days ago and searched for 'Tesla' 10 days ago and subscribed to the 'Car Buyers' newsletter 8 days ago and viewed a video about used cars 7 days ago and ..."
I would have a slightly better opinion of targetted ads if you could see how each ad you see was targeted.