“These depictions were wrong then and are wrong today.”

Nope, they were quite accurate. It has just become politically incorrect to mention them out loud.

“The folly of the racist does not lie in his belief that most members of a particular race are worthless pieces of excrement that will never amount to anything in life. His folly lies in his belief that there’s at least one race (namely his own) that isn’t mainly composed of subhuman imbeciles who will never raise above the level of ’emergency food supply in case of the apocalypse’ in the scale of human evolution.” — random Internet smartass.