Yes one of the great quirks of European history is that the British Empire is not held in the same esteem as the Nazi empire. The British Empire was bizarrely racist and killed tens of millions of people worldwide. Maybe even more than that if you include the promotion of slavery as a business on global scale. England is so lovable now though.
Except it was the British Empire that persecuted slavery and brought to an end the slave trade far in advance of other nations. What people forget is that the norms of the past are not the same as the norms of today. At one time, slavery was normal across vast swathes of the planet. That it isn't today, is in part due to a moral revolution that took place in Britain and resulted in a policy change by the British empi…
"while nearly all other countries in the world at the time were totally fine with it". I guess this depends on how you define "country", but lets take it to mean the majority of a population. I'll give you that countries benefiting from the slave trade were clearly fine with it. I sincerely doubt the populations being enslaved were though. (their opinions count right?)