If it were me in their place I could imagine your actions being impactful, and inspiring further action or thought. At that age I was very interested in going against the grain. It was a different time, but not too long ago. Really no one wants to see ads, for sure, so it's still a win, even if the anti-surveillance ad message is not of interest, you've still helped get rid of not just the annoyance but the malicious vector of a grab bag of random liabilities - modern digital ads.