You still don't get it.
As a society, if we were merely interested in death to US citizens we would end transportation by individuals. No driving big machines. But, we as a society have decided the deaths due to the inevitable accidents, is worth the price of freedom of transportation. We attempt to make cars safer and roads safer (God forbid government mandated in many places "I hate my Fckn seatbelt"), but this will not stop the carnage because lots of the US is open and without public mass transportation. People will die. Many people will die.
People in the US have not decided that past and recent mass shootings due to people with weapons that can kill many people very rapidly is just part of the price of freedom to bear arms. We have guns everywhere, they will never go away, it's too much apart of our heritage IMO. But, weapons that are used to kill people very rapidly are not okay with the majority of Americans where as death due to transportation, is accepted.
Now what are you having problems understanding?
Because the majority of people don't see this happening on any significant scale in the US:
Is significantly different than eating bullets on your knees from those in power trying maintain/gain even greater power.