It's not just a advertisement and a viewer, it's also the bots.
Adtech is where it's at now just cause it wants you to see it but because a industry of faking viewership built up around it.
No other advertisement has really had to deal with how ads are bought on per viewer basis.
All the targeting tech is equally a response to "personalization" as it is to "fraudulent botters"
You can then understand that if ads reverted to the old static billboard or tv commercial state, there's probably be little incentive to harass the user.