Checkout staff, bank tellers, hospital porters, factory workers, receptionists and warehouse workers are already being displaced by technology. They are soon to be followed by lorry drivers, backroom legal teams, financial analysts, call centre staff, pharmacists, etc. All this is happening far faster than workers can retrain.

(Read 'The Rise of The Robots' by Martin Ford for more.)

A Universal Basic Income eliminates almost all bureaucratic costs of social welfare yet achieves the same aim.