In this case it is hyperbolic. Amazon is many bad things, but Nazis they are not (I shouldn't have to say that).
https://en.wikipedia.org/wiki/Arbeit_macht_frei?wprov=sfla1
In my opinion this it's very well.
The reason Auschwitz was bad was not because people worked hard there. It was because people were enslaved and murdered there.
It would be like comparing a camp site to a concentration camp, because both are "camps". The comparison yields no useful insights.
Unions make workconditions better