Why do people hate blacks?

I keep seeing the word "nigger" posted everywhere and it appears a lot of people here hate black people. Why?

So we have concluded wogs are subhuman savages but we will keep them on as beasts of burden for the cotton fields.

_____________________
Footnotes:
[1] Always keep your sambos freshly beaten and punished to maintain maximum productive output.
[2] Remember, they're always guilty of something and they're too stupid to figure out you don't know what they did, field nigros especially, there is always reason for good thrashing.