The only part I really take issue with is the notion that working for someone is modern slavery. I don't think it's anything even close that. Slaves can't quit and do something else. They can't even change who their "owners" are.
> I'd rather eat ramen, than get $250k a year and expected to be at my employer's beck and call 8am-5pm.
I know a lot of people who make that exact choice.
> The fact that pretty much no one seems to see anything wrong with this terrifies me.
I think lots of people see the problem and fundamentally agree with you. The issue is that solutions to the problem are difficult for most people.