Hello friends, I would like some more explanation about this paragraph I think I understand but I'm not sure:

'America is such a racist place, ...It's just like South Africa only more sanitized today; it's not as OUT IN FRONT in its racism. Other than that, it's the same thing.'

Does it mean that the racism in America is not visible at first? And "other than that" its a joke, isn't?
Yes, it is saying that it is not as obvious as the racism in South Africa.

'Other than that' - apart from that fact.
So, apart from the fact that it is less obvious, it is the same as in South Africa.
We often use the terms 'overt' (obvious) and 'covert' (more hidden). "Sanitized", by the way, is a wonderful word in this context!