I find this to be an issue with all US airlines, as well as airlines from more "conservative" countries - EK comes to mind. It's one of the things that usually puts me off watching movies on an aircraft, as I'd never know what parts of the movie I didn't see!

I've flown on many airlines with uncensored movies, such as BA, VS, AF - they all offer the option to block specific movies on a PTV by asking an FA, and as for the "what if a child accidentally looks at the screen next to them?" question - this is the parent's job to prevent, not the airline's.

It's sad that we live in a world where we try far too hard to protect children from being exposed to anything that could be even a slight deviation from a steralized world. A kid is going to see and hear more on a 1-hour stroll through Manhattan holding their parent's hand than in many R-rated movies