Thats just a safety precaution. That way you can always be able to reach 911. I definitely agree with the too many apps and access into our lives type deal.
It's especially eye opening with the RFID thing on our cards, and how easily stolen our information is. Just goes to show you that everything is up for grabs nowadays. I keep a password on my phone, but I don't really think it'll help prevent anyone from seeing all my sh*t.