I used to work at a startup that was trying to replace ads as the funding source for news (we failed, obviously) but the crazy thing we discovered is that the people who run news websites mostly don’t know where their ads are coming from, have forgotten how the ad system was installed in the first place, and cannot turn them off if they try we actually shipped a server-side ad blocker, for a parter who had so complet…
I think this might be selection bias in your customer base. I've had some friends who worked at a local news outlet. The ads on their website were a big deal and they had a full-time position dedicated to managing internet advertising.