You should maybe read about the history of the US labor movement to understand how and why we have good working conditions: https://www.pbs.org/wgbh/americanexperience/features/themine...
Do you think poor people didn't get upset / rebellious in centuries and millennia past?
The difference now is that we have the GDP and tech to support much cushier lives for vast numbers of people.
I think you'll be hard pressed to find one where life hasn't gotten vastly better.