Because there is no need. It is not a question, it is a(n unhappy) fact phrased like a question. A sad lament at the current state of the world,if you will.

An analogy is in order. Two high school friends meet after 20 years at the reunion.

> Vuk: Have you gotten fat and bald?
> 
> Jones: Hi Vuk. Have you learned German like you always wanted? 
> 
> Vuk: With ease.