This is an interesting read from the NYT. The article argues that to understand rising inequality, consider the janitors at two top US companies, then and now .https://nyti.ms/2x1YnuD
With the rapid growth of technology and outsourcing/offshoring, this article is on the button.
But the article is generalizable to the UK for example. Consider the UK public sector that has been savaged by austerity but politicians and overpaid bureaucrats have been too weak to embrace radical change. Now for example we’re witnessing piecemeal outsourcing in the NHS, including to aggressive US companies – it’s like the NYT describes.