>Because you can still hear with headphones on, and hearing is
>like maybe the smallest percentage of your senses needed to
>operate anything on a daily basis..vehicle, bicycle, your
>fckin legs, etc.....

the issue isn't that drivers listening to ___ via earbuds or headphones can't hear what's around them (like deaf ppl) it's that they are DISTRACTED by what they're listening to. they are dividing their attention between driving and listening to ___. distracted driving is dangerous.

http://www.nsc.org/learn/NSC-Initiatives/Pages/distracted-driving.aspx