The default settings for which information friends can share does NOT allow friends to grant an application access to "interested in and looking for" and "religions and political views".
Most Facebook users have not changed these settings, meaning that only the users that have explicitly allowed friends to share interested in information will show up in my iPhone app's query.
To see what I am talking about go to: http://www.facebook.com/settings/?tab=privacy, click the "Edit your settings for using applications, games and websites." link, then click "Edit Settings" in the "Info accessible through your friends" section. Here you will see what permissions you allow your friends to share. There is no override for this. If you don't want the information shared, your friends can't force you to share it.
So I'm wondering, what is the simplest method for me to get my friends who will use this iPhone app to be able to change that setting to check their Interested In setting so that way the app can use it? This app actually relies a lot on this setting being enabled.