Because the app has very little purpose, its obvious why it exists at all: It enables the collection of networked data. But because it was built in 8 hours, you get what you put into it.

"built in 8 hours", "does basically nothing" but here, ping people through it and allow us to map this activity to your phone number and user name.

So when this data leaks, everyone gets puzzled. Are we conflating the importance of the data with the importance of the app?