Today’s bash bug is as big a deal as Heartbleed. That’s for many reasons. The first reason is that the bug interacts with other software in unexpected ways. We know that interacting with the shell is dangerous, but we write code that does it anyway.
Google’s self-driving cars have made impressive progress in the past few years, logging over 700,000 accident-free miles without human intervention, according to the company (there has been at least one accident reportedly caused by a human driver).