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.
I am used to rejecting the cookies if they are not automatically blocked by Vivaldi or Firefox, but on my phone I use Safari, which still has a decent add blocker by default so most of the time it is just a cookie banner where I have to reject them. Or put the site in reader mode