Let me start by saying I am not in favor of the pedestrian warning system, and I am glad that I have a 2011 that doesn't have it. However, your comment is very insenstitve. The warning system is aimed to help blind people that count on the noise of the engine to know if a car is coming across the street. If you were blind I certainly wouldn't say that you have your head stuck anywhere...
Oh, please! That is nonsense. While there is no doubt that blind pedestrians would benefit from this, can you tell me how many blind pedestrians you come across in your lifetime without some warning like a universally recognized white cane being used to assist them, OR A DOG?
I have yet to come even close to running down any sort of pedestrian, since I feel some responsibility to look where the heck I am going, but this cradle to grave government safety harness is getting kind of old. Both pedestrians and drivers share responsibility for careful driving and walking and I don't know ANY blind persons (and I know a few, not a lot) that would walk into the roadway without any warning, noise or not.