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Well, maybe not never, but...
Over the past few years, scientists, in a variety of ways, have tried to get a super computer to mimic the complexity and raw processing power of the human brain. According to biologists, the human brain has approximately 90 billion nerve cells which are linked together by, quite literally, trillions of connections called synapses. Taken together, this system of elaborate connections within the brain provides “hundreds of trillions of different pathways that brain signals travel through.”
In an effort to mimic this digitally, scientists a few years ago needed more than 82,000 processors running on one of the world’s fastest supercomputers to mimic just 1 second of a normal human’s brain activity.
More recently, a research study found that the human brain can hold 10 times as much information as previously thought. All told, scientists now believe that the capacity of the human brain is about a petabyte.
source: http://bgr.com/2016/02/27/power-of-the-human-brain-vs-super-computer/
bq-
Yet still a basic calculator can out do most human brains at what it's designed for with very little processing power. Humans and computers work differently and each are obviously better at certain things. Driving a car with limited data about your surroundings might be something that the brain might be pretty good at compared to a computer, but that brain needs about 2 decades of general experience, plus more of actual driving to get any good at it. Computers are getting that experience now, will be able to share it directly between themselves and can have more than 2 eyes and ears taking in data, especially if they use all the sensors on other nearby computers. They may have less power in some ways, but also don't need to worry about what to have for tea, whether they slept properly, what their phone just did or the existential pain of being.
snottyotter
Says you. Seriously, why not? Every time this sort of issue comes up with regard to AI, it turns out that there isn't some mystical human-only power that computers are metaphysically incapable of reproducing, rather it's just that we haven't yet properly framed the problem and described the capability that is required to respond to it.
The idea that humans are absolutely optimised for driving is belied by the number of accidents and injuries caused by drivers despite our having largely segregated motor vehicels from squishy pedestrians. Part of robots advantage is that they don't have to be "creative" about driving because they adhere to road laws, which massively reduces the degree to which they have to respond to hazardous situations and the speed with which they have to do it.