This is an advertiser tool. It is used by app developers to track their advertising campaigns that lead to app installs. I wouldn't be surprised if they still

This is an advertiser tool. It is used by app developers to track their advertising campaigns that lead to app installs. I wouldn't be surprised if they still break down information by age, sex, and location as long as there are enough anonymous people in each group. I would argue that this is only "perfectly reasonable" if you think anonymous aggregate logging solutions is a reasonable way to track user behavior, or if you have such trust in Apple to do the right thing, that you are willing to grant them an exception.