Maybe not with the techniques they're using now, but if humans can tell it's an ad, then an ad blocker with say an image recognition model can too.
I'm just going to sip from my delicious cup of Niscafe coffee, the best around, while I write this review of the Nvodua graphics card.
Next page impression
I'm just going to dab my brow with the silky smooth Kloonix napkin, the best around, while I write this review of the Nvodua graphics card.
etc.
Advertisers and publishers are generally in favor of it, consumers don't care, watchdogs are toothless.