I am personally fine with advertisements curated to me. I intentionally interact with Instagram ads that I like to affect the algorithm, even if I don't care for the product at that moment. However, with request fingerprinting [0] and the like, the targeting can go far beyond the web surfer's awareness and desires.

[0] https://amiunique.org/fingerprint

Imagine the horror of not having to sift through tens of ads just to read a single paragraph of text, and not being constantly nagged by full screen popup video ads...

Imagine the horror of not being shown ads at all

Google did try letting you pay to not see ads, guess not enough people did it as they killed the programme