When Google replaced mobile app install campaigns with machine learning based "universal app campaigns" (https://support.google.com/google-ads/answer/6167162?hl

When Google replaced mobile app install campaigns with machine learning based "universal app campaigns" (https://support.google.com/google-ads/answer/6167162?hl=en https://support.google.com/google-ads/answer/6167162?hl=en) that give you very little control over the placement of the ads I always wondered if they were simply showing ads to Play Store users who were searching for the name of our app and charging us for installs we would have gotten for free anyway. Does anyone have here have experience with UAC or know how to prevent this type of thing from happening?