"Police states actually do some good while enslaving everyone else" is not the killer argument you think it is.
> Meanwhile the free western country I live in
Yep.
> Meanwhile the free western country I live in
Yep.
Even Nazi Germany has achieved a lot scientifically and they did a great job industrializing post WWI Germany. Acknowledging that fact doesn't mean you are arguing for the Nazis.
Also just because "China Bad", doesn't mean you get to make up random bad stuff and stick to them and call that facts. That's not how any of this works.