Unfortunately, many have failed to study the lessons of History and are ignorant of Current Events, except as propagated by the unreliable, manipulative, selective-omission-intensive "mainstream" media.
Here's another powerful film from Evan Mark that provides a crash course/reminder of what's going on out there under our noses as we blisfully go about our lives, vainly assuming that whatever happens next, probably won't happen in our lifetimes, but which probably will, and, in fact, already has...
Do be advised, though, that some scenes are quite... hard. Not for the little ones' eyes.
But DO watch it to the end.