[gruez]

>Putting a device into homes that is voice activated, unlocked and usable by anybody capable of speech carries with it some duty of care not to, you know, tell kids to play with mains power.

I agree. That's why we should have mandatory faceID on smartphones/tablets/computers/books, so we can positively identify the user's age before allowing access to it. If you fail the age test, your access will be restricted to kid-friendly websites with curated content.