What evidence do you have for this? Do you think chattel slaves of the USA weren't broken in mind - indoctrinated into Christianity, stripped of their original

What evidence do you have for this? Do you think chattel slaves of the USA weren't broken in mind - indoctrinated into Christianity, stripped of their original languages, culture and names? That was not some novel evil created by Southerners - it's the tried-and-true method for enslaving populations throughout history. But I'm sure the existence of TikTok is an existential threat.