They call it “dark traffic” - ads that are not seen by tech-savvy users who have excellent ad blockers.
Not surprised that its growing. The web is unusable without an ad blocker and its only getting worse, and will continue to get worse every month.
A lot of this comes from pressures exerted by shareholders. Get rid of the shareholders and you get rid of the pressures. Then you have people who chose to do the opposite noxious thing and people who chose not to. The market would then reward the less obnoxious people and the negative aspects would die out.
But we have shareholders so capitalism cannot possibly work the way we are promised it will.