At the time when this country started, our hunter-gatherer, farming ancestors worked to live. Not one bit of energy went to waste in a day. Wasted time was equivalent to starvation. Then, at about 30 years ago, it was believed that technology would change the way we work: more automation, more part-time jobs, the paperless office, etc.
The traditional working environment has already changed with technology, whilst fewer people are working a one job life. Rather we are switching and changing jobs, often working on short-term contracts, as a guaranteed