So, basically, they deserved it. How nice. This is how good people can support mind-boggling evil.

The British Empire managed to abolish slavery without anything remotely so horrific as the Haitian Revolution. As a result, former British colonies are what, hellholes? And Haiti is a paradise on Earth?

You are likely inheritor to the American Abolitionist tradition, which managed to abolish slavery by fomenting a Civil War that, in its wake, claimed the lives of a quarter of the newly freed slaves—approximately a million people. Does your heart bleed for them? Or to the dead do you say, at least you aren't slaves?