Earlier quoted context omitted.
First, I agree that the US has an incarceration problem. We're certainly not perfect, and I think much of the problem is due to the US's drug problem. Regardless, comparing incarceration to slavery is disingenuous as slavery requires no wrongdoing whereas incarceration should require wrongdoing. As for my comparison of disallowing hate speech to slavery, it is a very valid comparison. The two are morally reprehensibl…
what about "collective" cultures that don't prize individualism? If you are discouraged from saying something because it will cause social disharmony within your community, is that as morally wrong as slavery? I think not. I think capturing someone from their home, their country, their loved ones, transporting them across an ocean, beating them, making them work for the rest of their lives without pay, while starving…
This is a very American-centric view of slavery. Most cultures have participated in slavery at some point in history without the extraneous parts. Even if you treat your slave as family, the slavery is still immoral.
Similarly, your views on free speech are very narrow-minded. Many people have been murdered by oppressive governments for speaking out against injustice. Were they "idiots spout[ing] whatever crappy opinion happens to wander across what passes for their mind"?
If you are discouraged from saying something for _any_ reason, this is slavery of the mind. As for collective cultures, I don't think I know enough to effectively comment. I will note that many cultures that were okay at one time are now viewed with disgust as primitive, including your depiction of slavery in the Americas.