Well, according to the summary of this the level of hate speech usage in other s...

makomk on Sept 11, 2017 | parent | context | favorite | on: The Efficacy of Reddit’s 2015 Ban Examined Through...

Well, according to the summary of this the level of hate speech usage in other subreddits didn't change. So basically Reddit got rid of r/fatpeoplehate and the stuff that went on there, but the culture in the rest of the site remained the same.