>>Get rid of manual labor and automate. This will save everyone money and there will be no labor problem. Many types of work become redundant and disappear.
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>The same thing can be said about genetically engineered food and farming. If a plot of land half the size of Texas can produce enough food to feed the world, what will our farmers do?
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>This seems to be a difficult question for some people. For me, its pretty clear that the answer is "Find a relevant job"

Yea, that's a simple flip response to the problem, Mike. Change it to 'have the company help find them relevant jobs' and you'd be on to something.

I've been luck in my 30+ years in this business. I've automated many jobs out from under people, but in virtually every case they were trivialish but necessary and the employers saw fit to re-assign the displaced workers to other more meaningful/profitable work, even providing training as necessary. I really haven't been in such a position in the last 10 or so years, so that practise may well have changed, but I sure hope not.