The Google Play Store has become increasingly interesting lately. Last year, they introduced a new interface that I think is neater and fresher. Then the security system was improved and subscription details were displayed. Most recently, the Play Store will warn you not to install apps that may be useless.
Regardless of the number of app reviews, this warning is seen based on application usage statistics. For example, Permission Ruler [Root] with 4 stars receives the warning This app has fewer users compared to others on Play. This means that there are more or less similar apps that are more popular. Another warning that appears is Users engage with this app less frequently than other apps on Play, which means that there are more or less similar apps that users use more often.
There are also apps with warnings such as This app is frequently uninstalled compared to others on Play. This means that immediately after installing the majority of users immediately uninstall it. According to the Android Authority report, this warning is only as a context that there are alternative apps and does not mean that this application is dangerous to use.