Part of this is that Facebook makes the opinions of people you know but don't really care about highly visible, which I think leads to some of the animosity you

Part of this is that Facebook makes the opinions of people you know but don't really care about highly visible, which I think leads to some of the animosity you see on the platform. When the person you're confronting is the uncle of someone you talked to once back in high school, there's little incentive to be kind.