TL;DR: Some company acquires apps to track those apps' users' activities so that the company can simulate the activities in a farm of bot-controlled ad-enabled

TL;DR: Some company acquires apps to track those apps' users' activities so that the company can simulate the activities in a farm of bot-controlled ad-enabled phones? 1. Why don't they just show the ads to real users? 2. If the real users don't really get to see the ads, isn't this a win for everyone (except advertisers)? (I'm not saying I agree with their practices, but just trying to think how they rationalize their moral decisions).