It may come in a few years or hundreds of years from now but it will come.
At the rate things are shaping up now, it will be less than a decade.
This has been building and building and growing for the last 50 years, at least, if not longer. So, it's had plenty of time to build and put things and mechanisms in place, plus all the people in place to make it happen.
We'll see it happen, I'm sure...