When it can, detecting thoughtcrime might not be far off ...

AI could soon filter some of this stuff or screen it to alert humans, which will obviously be a good thing.

But I think it's up to us to adapt to new technological environments. Parents shouldn't be allowing their young children to post videos of themselves on youtube for a variety of reasons. And kids should be warned not to do things strangers on the internet ask them to do, just as we warn them about strangers on the street.