Maybe it will, maybe it won't. But unless there is some serious decline in technological progress, it's more likely that it WILL happen eventually, even if it doesn't happen in our lifetime.
This is the idea that drove Marx to come up with communism. He was there at the beginning of the industrial revolution, and he could see where mechanization would eventually lead. It just took a LOT longer than he was expecting, mostly because he didn't predict the invention of fast-food and starbucks which is the only thing that is currently keeping unemployment under control in the US.