Earlier quoted context omitted.
Now think about whether this is entirely the child’s idea or a suggestion or Rick roll by another kid or some stranger on the internet. If people are deploying these tools widely there will be more and more opportunities for that to happen.
I think it's not desirable to spend time fixing these elaborate scenarios. The same sort of kids trolling kids will happen via other means. At the end of the day, if a kiddo sees some porn, it's not the end of the world. Plenty of kids hear their parents having sex or will open a door they shouldn't have and see people in action. Making everything completely aseptic is only pandering to prude adults' discomfort. And…
These aren’t elaborate scenarios but rather the kind of things which happen constantly, and have affected product design for generations. Companies are hoping that this class of tool might be enough better to avoid those limitations, which is why this kind of research is important.