"Wow, who could John Doe Jr. possibly be calling on Father's day? Whoever it is, they are using a pay as you go burner phone, so there's just no way to tell..."

Burner phones are not a good option for everyday life. Accidentally take it out of airplane mode while at your home and workplace? Now your identity is compromised again. Call your friends or family? Now your identity is compromised. Check your personal blog just a few too many times? Sorry!