There are both ignorant drivers and pedestrians, let us not start a witch hunt. The difference is that a pedestrian V driver outcome is only really going to go one way and that is usually with the pedestrian injured, driver in the right or not.
If we just used our common sense we can all get on.
The exception as I found to my cost are drunk drivers. I have been off work since early October last year after being hit by a drunk driver whilst riding my motorcycle.