Advertising works, providing a service both to the advertiser and the consumer.
I know that's an incredibly unpopular viewpoint within this bubble, but there you go.
If it was the case that most people found advertising 'shit', then you'd see more and more people installing adblock etc. But that hasn't happened. It's still used by a very small minority of users as it has always been. It's sort of like the Opera web browser in that respect.