It's really been awful and hard to avoid. I saw more racism on reddit in a couple few weeks (while the police shootings were in the news) than I've seen in the rest of my life combined. That and the increasingly popular /fatpeoplehate and I was pretty close to never visiting even the small well-moderated subs, the leakage was too strong.
And this recent thing, where there have been days where 5 of the top 10 highest voted stories across the entire site were literally titled: "Ellen Pao is a cunt"