It sounds to me a lot like the topic of slavery in the USA. It's a historical fact, and everyone learns about it in school, but it's not a popular topic in the

It sounds to me a lot like the topic of slavery in the USA. It's a historical fact, and everyone learns about it in school, but it's not a popular topic in the culture. I'd wager few people in the USA are familiar with the names of the companies that were complicit in it, though undoubtedly some still exist.