VR will solve them.
Until the population demands better VR.
Can you imagine the heat generated by the supercomputers needed to generate a persistent VR world for 8 billion people?
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Of course, A VR life means fewer biological babies. And perhaps a declining population served by ever more robots.
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Trying to recall the name of that story... a future where all children are "born" in virtual reality, and have to earn the right to become "physical" humans and occupy actual bodies.
It was a morality story on the question of identity and ownership of virtual people by their "parents".
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Of course, such a future would probably have children who'd rather not manifest physically at all.