Yeah I have a feeling a lot of people who aren't technically inclined would get this confused with dark web(https://en.m.wikipedia.org/wiki/Dark_web) which as we know is completely different.

Just straight up call it what it is in the title; traffic with adblockers enabled or adblocked-traffic. Otherwise this article just comes off feeling like it was intentionally written as a click/rage-bait.

That’s not why they’re calling it “dark traffic” though. This is more analogous to people who pirate TV content being “dark viewership” as far as Nielsen ratings are concered. (I’m not equating ad-blocking with piracy in terms of ethics, just in terms of not being tracked by viewership analytics.)