The changes in car design both from crash safety regulation, and fashion, increasing size and weight have all tended to make
cars safer for the occupant, and in the event of accident
far more dangerous for others. So yes, cars play their part. It's about time we considered
intentionally started making cars safer for pedestrians at the cost of more dangerous for the occupant. Not
quite that cliche 8" knife in steering wheel where airbag used to be, but...
An attentive driver placed in a car with current permitted distractions - far in excess of 30 years ago, or 70 years ago when traffic laws started accumulating - radios, hifi, visual displays and touch screen UIs that increasingly need lengthy attention rather than glance, thickening A B and C pillars over the years - for rollover, airbag and space to stick more driver toys, is to a pedestrian, cyclist or motorcyclist a fucking liability in need of immediate life-long ban. I try and remember this attitude when I get in my car...
There are no robust mechanisms to keep drivers responsible. It's expected everyone will speed, get tickets, accumulate parking violations. Penalties for offences whilst driving are often extreme in their leniency compared to same impact caused by other means. Driving offences are considered entirely separate from the "rest" of a criminal record.