The thing that bugs me is when I load up my friendlist and am trying to remove a player but then the list repopulates to show online people on top just as I've clicked to delete someone and accepted the pop up. Then I realize that because the list has repopulated, it moved the name of the person I was trying to select and made me select SOMEONE ELSE I didn't mean to delete.

This has happened about 3-4 times now. The upside is, you can re-add them as a friend if they are online and they wont know the difference since they still have you on their list. Even so, its an annoyance.