I don’t think things have changed. You’re hearing these stories more and more because news is able to spread rapidly and globally like never before. While I hate to see all the terrible things happening, I believe it’s a good thing that they’re being reported more, mainly by internet news coverage. We can log in and see news from all over the world. Knowing what’s going on everyhwere should (I would hope) lead to a broader-minded view.
So to summarize, IMO nothing new is happenening, it’s just that news coverage has expanded.