Cost of education (of the non-university flavor) and access to information is also plummeting in parallel. Also, the means of disseminating information and ideas is far wider than ever before.

This, combined with proper economic policies like a basic income, I feel could allow those who lose their jobs due to rapid technological change to develop new, employable skills.

But you're right, if everything else stayed the same and just something like autocars happened, there'd be riots.