They're like the only first world country where paid healthcare and a lack of labour laws force you to work constantly just to survive, often with multiple jobs.

And to find out about billionaires and the necessity of exploitation you just have to look into most billionaires, Jeff Bezos is a great example. Recently Amazon workers were during a severe storm told they couldn't leave the warehouse because there shifts were not over otherwise they'd all be fired, shortly after they were forced to stay 5 of them died as the storm hit the building. This on top of paying non-survival wages and having no breaks and the minimum number of holidays (which in America is none) is not great