they were even less voluntary than they are now

People that don’t have jobs today lose their housing and starve to death. You think there’s a level below that?

And no, what caused that was mechanization of farming.

Now, thanks to capitalism, we’re dealing with heatwaves beyond predictions and snowstorms that out freeze historic data, so I wouldn’t say that capitalism isn’t impacting the weather. Also, before it, people had the ability to take breaks from work, which doesn’t really exist today.