Earlier quoted context omitted.
I honestly want to see evidence for this claim. Sounds to me it makes running an ad network harder and therefore probably more expensive, but it is far from a certainty that this translates into advertisers' willingness to pay more (and pass it on to consumers). Personally, I use ads as a signal to avoid buying certain products. If the ads are too prominent and omnipresent, it's an indication for me that I would be p…
Let's say you're a startup trying to advertise on Google, and somebody has paid a bot network to fraudulently click on your ads. Now Google can't detect that those clicks are fraudulent, so you're billed for them. Your channel efficiency unavoidably goes down, which increases your cost of customer acquisition because your other channels cannot pick up all of the slack. Increasing the cost of customer acquisition is g…
The tracking part isn't necessary for fraud detection not even for conversation tracking. It's only necessary for "personalized ads" aka spying on users.