The movie M by Fritz Lang has one of the most fascinatingly alien endings of any movie I've ever seen. A serial killer who preys on children is brought to trial

The movie M by Fritz Lang has one of the most fascinatingly alien endings of any movie I've ever seen. A serial killer who preys on children is brought to trial. Before the final sentence is announced, the shot cuts to the mothers of the children crying. One says "One has to keep closer watch over the children. -- All of you" The moral is basically "You can't depend on people not to murder your children. You can't bring back dead children, we all need to protect our children." Watching M for the first time was incredibly strange. M was filmed in 1931 and the plot could have been written yesterday. I'm a huge proponent of letting kids explore the world (both literally and figuratively) without adult supervision. I'm extremely thankful that my parents instilled such a strong sense of self-reliance in me. So many people who I grew up with are afraid to do anything without somebody there holding their hand. When I was a child I was allowed to go pretty much anywhere as long as my parents knew where I was going, when I'd be back, and if there was an adult I could contact in an emergency. Other parent's used to ask my mom why she let us ride our bikes to school alone. (Always my mom, never my dad.) They'd ask "aren't you afraid of what could happen?" My mom was always insulted by these exchanges, and rightfully so -- the implication always seemed to be she didn't love us enough to protect us. Nothing could be further from the truth. My mom is pretty neurotic, and I know for a fact she was incredibly restless anytime my brother or I were out and about without supervision. She let us go because she wanted us to do more than live, she wanted us to thrive.